Solve the proportion. \[ \begin{array}{l} \frac{40}{q}=\frac{5}{7} \\ q= \end{array} \]

Step 1 ：\( 40 \cdot 7 = q \cdot 5 \)

Step 2 ：\( 280 = 5q \)

Step 3 ：\( q = \frac{280}{5} \)