Home / 7,522.13-10,380.38-4,164.75

Finding the Fourth Proportional to 7,522.13, 10,380.38 and 4,164.75

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Solution

The fourth proportional to 7,522.13, 10,380.38 and 4,164.75 is: 5,747.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.13 : 10,380.38 = 4,164.75 : x
  2. Step 2: Convert to fraction form
    7,522.13/10,380.38 = 4,164.75/x
  3. Step 3: Cross multiply
    7,522.13x = 10,380.38 × 4,164.75
  4. Step 4: Simplify right side
    7,522.13x = 43,231,687.61
  5. Step 5: Solve for x
    x = 43,231,687.61/7,522.13
  6. Step 6: Final answer
    x = 5,747.27

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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.