The exchange rate is $\mathrm{.}7599$ U$.$S$.$ dollars per Brazilian real. How many U$.$S$.$ dollars are needed to purchase $5,000$ Brazilian reals?

$$6\mathrm{.}579\mathrm{.}81$

$$5\mathrm{.}981\mathrm{.}65$

$$4\mathrm{.}069\mathrm{.}50$

$$5\mathrm{.}189\mathrm{.}68$

$$3\mathrm{.}799\mathrm{.}50$