Home / 7,231.60-10,847.40-3,951.10

Finding the Fourth Proportional to 7,231.60, 10,847.40 and 3,951.10

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Solution

The fourth proportional to 7,231.60, 10,847.40 and 3,951.10 is: 5,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.60 : 10,847.40 = 3,951.10 : x
  2. Step 2: Convert to fraction form
    7,231.60/10,847.40 = 3,951.10/x
  3. Step 3: Cross multiply
    7,231.60x = 10,847.40 × 3,951.10
  4. Step 4: Simplify right side
    7,231.60x = 42,859,162.14
  5. Step 5: Solve for x
    x = 42,859,162.14/7,231.60
  6. Step 6: Final answer
    x = 5,926.65

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Similar ratio
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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.