Home / 3,761.90-5,192.04-2,190.92

Finding the Fourth Proportional to 3,761.90, 5,192.04 and 2,190.92

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Solution

The fourth proportional to 3,761.90, 5,192.04 and 2,190.92 is: 3,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.90 : 5,192.04 = 2,190.92 : x
  2. Step 2: Convert to fraction form
    3,761.90/5,192.04 = 2,190.92/x
  3. Step 3: Cross multiply
    3,761.90x = 5,192.04 × 2,190.92
  4. Step 4: Simplify right side
    3,761.90x = 11,375,344.28
  5. Step 5: Solve for x
    x = 11,375,344.28/3,761.90
  6. Step 6: Final answer
    x = 3,023.83

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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.