Home / 5,261.28-7,874.91-2,885.97

Finding the Fourth Proportional to 5,261.28, 7,874.91 and 2,885.97

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Solution

The fourth proportional to 5,261.28, 7,874.91 and 2,885.97 is: 4,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.28 : 7,874.91 = 2,885.97 : x
  2. Step 2: Convert to fraction form
    5,261.28/7,874.91 = 2,885.97/x
  3. Step 3: Cross multiply
    5,261.28x = 7,874.91 × 2,885.97
  4. Step 4: Simplify right side
    5,261.28x = 22,726,754.01
  5. Step 5: Solve for x
    x = 22,726,754.01/5,261.28
  6. Step 6: Final answer
    x = 4,319.62

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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.