Home / 3,972.28-5,469.20-3,025.04

Finding the Fourth Proportional to 3,972.28, 5,469.20 and 3,025.04

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Solution

The fourth proportional to 3,972.28, 5,469.20 and 3,025.04 is: 4,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.28 : 5,469.20 = 3,025.04 : x
  2. Step 2: Convert to fraction form
    3,972.28/5,469.20 = 3,025.04/x
  3. Step 3: Cross multiply
    3,972.28x = 5,469.20 × 3,025.04
  4. Step 4: Simplify right side
    3,972.28x = 16,544,548.77
  5. Step 5: Solve for x
    x = 16,544,548.77/3,972.28
  6. Step 6: Final answer
    x = 4,165.00

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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.