737. The illustration is drawn to a scale of 3/8 inch = 1 inch. What is the full-size dimension of «X», if the scale lengths for «E» = 5/8″, «F» = 1 3/8″, «G» = 2 1/8″, and «H» = 5 3/4″

The scale length of X is determined from the equation H = G + F + X + E, then converted to the full-size dimension using the provided scale of 3/8 inch = 1 inch, resulting in a full-size dimension of 4.333 inches.