Home / 5,188.68-7,158.33-3,195.78

Finding the Fourth Proportional to 5,188.68, 7,158.33 and 3,195.78

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Solution

The fourth proportional to 5,188.68, 7,158.33 and 3,195.78 is: 4,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.68 : 7,158.33 = 3,195.78 : x
  2. Step 2: Convert to fraction form
    5,188.68/7,158.33 = 3,195.78/x
  3. Step 3: Cross multiply
    5,188.68x = 7,158.33 × 3,195.78
  4. Step 4: Simplify right side
    5,188.68x = 22,876,447.85
  5. Step 5: Solve for x
    x = 22,876,447.85/5,188.68
  6. Step 6: Final answer
    x = 4,408.91

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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.