Home / 3,731.28-5,149.30-2,052.74

Finding the Fourth Proportional to 3,731.28, 5,149.30 and 2,052.74

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Solution

The fourth proportional to 3,731.28, 5,149.30 and 2,052.74 is: 2,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.28 : 5,149.30 = 2,052.74 : x
  2. Step 2: Convert to fraction form
    3,731.28/5,149.30 = 2,052.74/x
  3. Step 3: Cross multiply
    3,731.28x = 5,149.30 × 2,052.74
  4. Step 4: Simplify right side
    3,731.28x = 10,570,174.08
  5. Step 5: Solve for x
    x = 10,570,174.08/3,731.28
  6. Step 6: Final answer
    x = 2,832.85

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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.