Home / 3,732.40-5,147.04-2,240.56

Finding the Fourth Proportional to 3,732.40, 5,147.04 and 2,240.56

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Solution

The fourth proportional to 3,732.40, 5,147.04 and 2,240.56 is: 3,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.40 : 5,147.04 = 2,240.56 : x
  2. Step 2: Convert to fraction form
    3,732.40/5,147.04 = 2,240.56/x
  3. Step 3: Cross multiply
    3,732.40x = 5,147.04 × 2,240.56
  4. Step 4: Simplify right side
    3,732.40x = 11,532,251.94
  5. Step 5: Solve for x
    x = 11,532,251.94/3,732.40
  6. Step 6: Final answer
    x = 3,089.77

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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.