Home / 5,451.24-8,177.62-2,164.66

Finding the Fourth Proportional to 5,451.24, 8,177.62 and 2,164.66

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Solution

The fourth proportional to 5,451.24, 8,177.62 and 2,164.66 is: 3,247.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.24 : 8,177.62 = 2,164.66 : x
  2. Step 2: Convert to fraction form
    5,451.24/8,177.62 = 2,164.66/x
  3. Step 3: Cross multiply
    5,451.24x = 8,177.62 × 2,164.66
  4. Step 4: Simplify right side
    5,451.24x = 17,701,766.91
  5. Step 5: Solve for x
    x = 17,701,766.91/5,451.24
  6. Step 6: Final answer
    x = 3,247.29

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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.