Home / 5,472.56-7,551.36-3,115.04

Finding the Fourth Proportional to 5,472.56, 7,551.36 and 3,115.04

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Solution

The fourth proportional to 5,472.56, 7,551.36 and 3,115.04 is: 4,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.56 : 7,551.36 = 3,115.04 : x
  2. Step 2: Convert to fraction form
    5,472.56/7,551.36 = 3,115.04/x
  3. Step 3: Cross multiply
    5,472.56x = 7,551.36 × 3,115.04
  4. Step 4: Simplify right side
    5,472.56x = 23,522,788.45
  5. Step 5: Solve for x
    x = 23,522,788.45/5,472.56
  6. Step 6: Final answer
    x = 4,298.32

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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.