Home / 5,452.38-8,179.10-2,164.74

Finding the Fourth Proportional to 5,452.38, 8,179.10 and 2,164.74

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Solution

The fourth proportional to 5,452.38, 8,179.10 and 2,164.74 is: 3,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.38 : 8,179.10 = 2,164.74 : x
  2. Step 2: Convert to fraction form
    5,452.38/8,179.10 = 2,164.74/x
  3. Step 3: Cross multiply
    5,452.38x = 8,179.10 × 2,164.74
  4. Step 4: Simplify right side
    5,452.38x = 17,705,591.56
  5. Step 5: Solve for x
    x = 17,705,591.56/5,452.38
  6. Step 6: Final answer
    x = 3,247.31

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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.