Home / 4,122.12-6,177.78-3,572.04

Finding the Fourth Proportional to 4,122.12, 6,177.78 and 3,572.04

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Solution

The fourth proportional to 4,122.12, 6,177.78 and 3,572.04 is: 5,353.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.12 : 6,177.78 = 3,572.04 : x
  2. Step 2: Convert to fraction form
    4,122.12/6,177.78 = 3,572.04/x
  3. Step 3: Cross multiply
    4,122.12x = 6,177.78 × 3,572.04
  4. Step 4: Simplify right side
    4,122.12x = 22,067,277.27
  5. Step 5: Solve for x
    x = 22,067,277.27/4,122.12
  6. Step 6: Final answer
    x = 5,353.38

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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.