Home / 5,479.38-8,209.62-3,832.92

Finding the Fourth Proportional to 5,479.38, 8,209.62 and 3,832.92

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Solution

The fourth proportional to 5,479.38, 8,209.62 and 3,832.92 is: 5,742.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.38 : 8,209.62 = 3,832.92 : x
  2. Step 2: Convert to fraction form
    5,479.38/8,209.62 = 3,832.92/x
  3. Step 3: Cross multiply
    5,479.38x = 8,209.62 × 3,832.92
  4. Step 4: Simplify right side
    5,479.38x = 31,466,816.69
  5. Step 5: Solve for x
    x = 31,466,816.69/5,479.38
  6. Step 6: Final answer
    x = 5,742.77

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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.