Home / 7,425.68-10,230.20-5,154.84

Finding the Fourth Proportional to 7,425.68, 10,230.20 and 5,154.84

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Solution

The fourth proportional to 7,425.68, 10,230.20 and 5,154.84 is: 7,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.68 : 10,230.20 = 5,154.84 : x
  2. Step 2: Convert to fraction form
    7,425.68/10,230.20 = 5,154.84/x
  3. Step 3: Cross multiply
    7,425.68x = 10,230.20 × 5,154.84
  4. Step 4: Simplify right side
    7,425.68x = 52,735,044.17
  5. Step 5: Solve for x
    x = 52,735,044.17/7,425.68
  6. Step 6: Final answer
    x = 7,101.71

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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.