Home / 3,822.17-5,274.60-2,229.92

Finding the Fourth Proportional to 3,822.17, 5,274.60 and 2,229.92

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Solution

The fourth proportional to 3,822.17, 5,274.60 and 2,229.92 is: 3,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.17 : 5,274.60 = 2,229.92 : x
  2. Step 2: Convert to fraction form
    3,822.17/5,274.60 = 2,229.92/x
  3. Step 3: Cross multiply
    3,822.17x = 5,274.60 × 2,229.92
  4. Step 4: Simplify right side
    3,822.17x = 11,761,909.66
  5. Step 5: Solve for x
    x = 11,761,909.66/3,822.17
  6. Step 6: Final answer
    x = 3,077.29

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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.