Home / 7,452.60-11,171.40-2,520.91

Finding the Fourth Proportional to 7,452.60, 11,171.40 and 2,520.91

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Solution

The fourth proportional to 7,452.60, 11,171.40 and 2,520.91 is: 3,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.60 : 11,171.40 = 2,520.91 : x
  2. Step 2: Convert to fraction form
    7,452.60/11,171.40 = 2,520.91/x
  3. Step 3: Cross multiply
    7,452.60x = 11,171.40 × 2,520.91
  4. Step 4: Simplify right side
    7,452.60x = 28,162,093.97
  5. Step 5: Solve for x
    x = 28,162,093.97/7,452.60
  6. Step 6: Final answer
    x = 3,778.83

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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.