Home / 3,997.64-5,512.41-2,722.34

Finding the Fourth Proportional to 3,997.64, 5,512.41 and 2,722.34

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Solution

The fourth proportional to 3,997.64, 5,512.41 and 2,722.34 is: 3,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.64 : 5,512.41 = 2,722.34 : x
  2. Step 2: Convert to fraction form
    3,997.64/5,512.41 = 2,722.34/x
  3. Step 3: Cross multiply
    3,997.64x = 5,512.41 × 2,722.34
  4. Step 4: Simplify right side
    3,997.64x = 15,006,654.24
  5. Step 5: Solve for x
    x = 15,006,654.24/3,997.64
  6. Step 6: Final answer
    x = 3,753.88

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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.