Home / 7,451.28-11,177.10-2,257.14

Finding the Fourth Proportional to 7,451.28, 11,177.10 and 2,257.14

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Solution

The fourth proportional to 7,451.28, 11,177.10 and 2,257.14 is: 3,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.28 : 11,177.10 = 2,257.14 : x
  2. Step 2: Convert to fraction form
    7,451.28/11,177.10 = 2,257.14/x
  3. Step 3: Cross multiply
    7,451.28x = 11,177.10 × 2,257.14
  4. Step 4: Simplify right side
    7,451.28x = 25,228,279.49
  5. Step 5: Solve for x
    x = 25,228,279.49/7,451.28
  6. Step 6: Final answer
    x = 3,385.76

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1.5x scale

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.