Home / 7,425.68-10,247.42-4,068.49

Finding the Fourth Proportional to 7,425.68, 10,247.42 and 4,068.49

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Solution

The fourth proportional to 7,425.68, 10,247.42 and 4,068.49 is: 5,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.68 : 10,247.42 = 4,068.49 : x
  2. Step 2: Convert to fraction form
    7,425.68/10,247.42 = 4,068.49/x
  3. Step 3: Cross multiply
    7,425.68x = 10,247.42 × 4,068.49
  4. Step 4: Simplify right side
    7,425.68x = 41,691,489.30
  5. Step 5: Solve for x
    x = 41,691,489.30/7,425.68
  6. Step 6: Final answer
    x = 5,614.50

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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.