Home / 1,156.80-1,736.96-1,010.46

Finding the Fourth Proportional to 1,156.80, 1,736.96 and 1,010.46

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Solution

The fourth proportional to 1,156.80, 1,736.96 and 1,010.46 is: 1,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.80 : 1,736.96 = 1,010.46 : x
  2. Step 2: Convert to fraction form
    1,156.80/1,736.96 = 1,010.46/x
  3. Step 3: Cross multiply
    1,156.80x = 1,736.96 × 1,010.46
  4. Step 4: Simplify right side
    1,156.80x = 1,755,123.55
  5. Step 5: Solve for x
    x = 1,755,123.55/1,156.80
  6. Step 6: Final answer
    x = 1,517.22

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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.