Home / 7,375.17-10,177.20-4,230.75

Finding the Fourth Proportional to 7,375.17, 10,177.20 and 4,230.75

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Solution

The fourth proportional to 7,375.17, 10,177.20 and 4,230.75 is: 5,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.17 : 10,177.20 = 4,230.75 : x
  2. Step 2: Convert to fraction form
    7,375.17/10,177.20 = 4,230.75/x
  3. Step 3: Cross multiply
    7,375.17x = 10,177.20 × 4,230.75
  4. Step 4: Simplify right side
    7,375.17x = 43,057,188.90
  5. Step 5: Solve for x
    x = 43,057,188.90/7,375.17
  6. Step 6: Final answer
    x = 5,838.13

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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.