Home / 5,166.20-7,125.24-3,399.62

Finding the Fourth Proportional to 5,166.20, 7,125.24 and 3,399.62

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Solution

The fourth proportional to 5,166.20, 7,125.24 and 3,399.62 is: 4,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.20 : 7,125.24 = 3,399.62 : x
  2. Step 2: Convert to fraction form
    5,166.20/7,125.24 = 3,399.62/x
  3. Step 3: Cross multiply
    5,166.20x = 7,125.24 × 3,399.62
  4. Step 4: Simplify right side
    5,166.20x = 24,223,108.41
  5. Step 5: Solve for x
    x = 24,223,108.41/5,166.20
  6. Step 6: Final answer
    x = 4,688.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.