Home / 2,732.16-3,770.40-1,553.16

Finding the Fourth Proportional to 2,732.16, 3,770.40 and 1,553.16

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Solution

The fourth proportional to 2,732.16, 3,770.40 and 1,553.16 is: 2,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.16 : 3,770.40 = 1,553.16 : x
  2. Step 2: Convert to fraction form
    2,732.16/3,770.40 = 1,553.16/x
  3. Step 3: Cross multiply
    2,732.16x = 3,770.40 × 1,553.16
  4. Step 4: Simplify right side
    2,732.16x = 5,856,034.46
  5. Step 5: Solve for x
    x = 5,856,034.46/2,732.16
  6. Step 6: Final answer
    x = 2,143.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.