Home / 5,217.73-7,816.17-3,136.62

Finding the Fourth Proportional to 5,217.73, 7,816.17 and 3,136.62

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Solution

The fourth proportional to 5,217.73, 7,816.17 and 3,136.62 is: 4,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.73 : 7,816.17 = 3,136.62 : x
  2. Step 2: Convert to fraction form
    5,217.73/7,816.17 = 3,136.62/x
  3. Step 3: Cross multiply
    5,217.73x = 7,816.17 × 3,136.62
  4. Step 4: Simplify right side
    5,217.73x = 24,516,355.15
  5. Step 5: Solve for x
    x = 24,516,355.15/5,217.73
  6. Step 6: Final answer
    x = 4,698.66

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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.