Home / 5,250.88-7,874.64-2,331.76

Finding the Fourth Proportional to 5,250.88, 7,874.64 and 2,331.76

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Solution

The fourth proportional to 5,250.88, 7,874.64 and 2,331.76 is: 3,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.88 : 7,874.64 = 2,331.76 : x
  2. Step 2: Convert to fraction form
    5,250.88/7,874.64 = 2,331.76/x
  3. Step 3: Cross multiply
    5,250.88x = 7,874.64 × 2,331.76
  4. Step 4: Simplify right side
    5,250.88x = 18,361,770.57
  5. Step 5: Solve for x
    x = 18,361,770.57/5,250.88
  6. Step 6: Final answer
    x = 3,496.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.