Home / 5,250.38-7,245.52-2,892.58

Finding the Fourth Proportional to 5,250.38, 7,245.52 and 2,892.58

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Solution

The fourth proportional to 5,250.38, 7,245.52 and 2,892.58 is: 3,991.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.38 : 7,245.52 = 2,892.58 : x
  2. Step 2: Convert to fraction form
    5,250.38/7,245.52 = 2,892.58/x
  3. Step 3: Cross multiply
    5,250.38x = 7,245.52 × 2,892.58
  4. Step 4: Simplify right side
    5,250.38x = 20,958,220.90
  5. Step 5: Solve for x
    x = 20,958,220.90/5,250.38
  6. Step 6: Final answer
    x = 3,991.76

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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.