Home / 5,195.11-7,169.21-3,205.66

Finding the Fourth Proportional to 5,195.11, 7,169.21 and 3,205.66

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Solution

The fourth proportional to 5,195.11, 7,169.21 and 3,205.66 is: 4,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.11 : 7,169.21 = 3,205.66 : x
  2. Step 2: Convert to fraction form
    5,195.11/7,169.21 = 3,205.66/x
  3. Step 3: Cross multiply
    5,195.11x = 7,169.21 × 3,205.66
  4. Step 4: Simplify right side
    5,195.11x = 22,982,013.88
  5. Step 5: Solve for x
    x = 22,982,013.88/5,195.11
  6. Step 6: Final answer
    x = 4,423.78

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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.