The pair's success was a formality and they eased home with a fourth-place finish in the medal race.
New Zealand's Peter Burling and Blair Tuke were assured of silver already, but Denmark's Allan Norregaard and Peter Lang produced a late burst to secure bronze ahead of final race winners Austria and fellow hopefuls Great Britain.
Meanwhile, there is a real battle for gold taking shape in the women's 470 class.
New Zealand's Jo Aleh/Olivia Powrie and Great Britain's Hannah Mills/Saskia Clark are mathematically assured of a medal after today's racing.
The two teams have amassed a large enough points margin after the end of the opening race series to be sure that they will leave with at least a bronze.
They now face a straight fight for the top prize, with both crews level on 33 points.
In the women's Elliott 6m Match Racing, Australia advanced to the semi-final after a 3-1 race-series win over the Netherlands.
They will meet Finland in the last four, following their victory over the USA.
In the other semi-final, Spain will go head-to-head with Russia after their victories over France and Great Britain respectively.