Answer
$x = \frac{5}{3}$
Work Step by Step
To solve this proportion, we need to use the property of cross products.
$\frac{1}{x} = \frac{3}{5}$
$1 \times 5= 3 \times x$
$5 = 3x$
Now we can divide both sides by 3
$\frac{5}{3} = \frac{3}{3}x$
$\frac{5}{3} = x$
$x = \frac{5}{3}$