The ratio of the perimeter of a square field to that of a rectangular field is \[4:3\]. If each side of the square field is 7 m, find the width of the rectangular field given its length as 7 m.

• A.  \[2\frac{1}{2}m\]                  
• B.  \[3\frac{1}{2}m\]      
• C.       \[4\frac{1}{2}m\]      
• D.       \[5\frac{1}{2}m\]