Finding the Fourth Proportional to 1,037.63, 1,556.45 and 268.13
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Solution
The fourth proportional to 1,037.63, 1,556.45 and 268.13 is: 402.19
Step by Step Solution
- Step 1: Write the proportion equation
1,037.63 : 1,556.45 = 268.13 : x - Step 2: Convert to fraction form
1,037.63/1,556.45 = 268.13/x - Step 3: Cross multiply
1,037.63x = 1,556.45 × 268.13 - Step 4: Simplify right side
1,037.63x = 417,321.82 - Step 5: Solve for x
x = 417,321.82/1,037.63 - Step 6: Final answer
x = 402.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.