Home / 5,439.92-8,160.96-3,101

Finding the Fourth Proportional to 5,439.92, 8,160.96 and 3,101

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Solution

The fourth proportional to 5,439.92, 8,160.96 and 3,101 is: 4,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.92 : 8,160.96 = 3,101 : x
  2. Step 2: Convert to fraction form
    5,439.92/8,160.96 = 3,101/x
  3. Step 3: Cross multiply
    5,439.92x = 8,160.96 × 3,101
  4. Step 4: Simplify right side
    5,439.92x = 25,307,136.96
  5. Step 5: Solve for x
    x = 25,307,136.96/5,439.92
  6. Step 6: Final answer
    x = 4,652.12

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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.