Home / 5,742.62-8,613.32-2,812.04

Finding the Fourth Proportional to 5,742.62, 8,613.32 and 2,812.04

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Solution

The fourth proportional to 5,742.62, 8,613.32 and 2,812.04 is: 4,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.62 : 8,613.32 = 2,812.04 : x
  2. Step 2: Convert to fraction form
    5,742.62/8,613.32 = 2,812.04/x
  3. Step 3: Cross multiply
    5,742.62x = 8,613.32 × 2,812.04
  4. Step 4: Simplify right side
    5,742.62x = 24,220,943.25
  5. Step 5: Solve for x
    x = 24,220,943.25/5,742.62
  6. Step 6: Final answer
    x = 4,217.76

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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.