Home / 3,302.20-4,960.14-3,191.48

Finding the Fourth Proportional to 3,302.20, 4,960.14 and 3,191.48

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Solution

The fourth proportional to 3,302.20, 4,960.14 and 3,191.48 is: 4,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.20 : 4,960.14 = 3,191.48 : x
  2. Step 2: Convert to fraction form
    3,302.20/4,960.14 = 3,191.48/x
  3. Step 3: Cross multiply
    3,302.20x = 4,960.14 × 3,191.48
  4. Step 4: Simplify right side
    3,302.20x = 15,830,187.61
  5. Step 5: Solve for x
    x = 15,830,187.61/3,302.20
  6. Step 6: Final answer
    x = 4,793.83

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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.