Home / 5,659.20-8,475.12-2,878.56

Finding the Fourth Proportional to 5,659.20, 8,475.12 and 2,878.56

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Solution

The fourth proportional to 5,659.20, 8,475.12 and 2,878.56 is: 4,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.20 : 8,475.12 = 2,878.56 : x
  2. Step 2: Convert to fraction form
    5,659.20/8,475.12 = 2,878.56/x
  3. Step 3: Cross multiply
    5,659.20x = 8,475.12 × 2,878.56
  4. Step 4: Simplify right side
    5,659.20x = 24,396,141.43
  5. Step 5: Solve for x
    x = 24,396,141.43/5,659.20
  6. Step 6: Final answer
    x = 4,310.88

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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.