Home / 3,191.13-4,404.16-1,793.88

Finding the Fourth Proportional to 3,191.13, 4,404.16 and 1,793.88

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Solution

The fourth proportional to 3,191.13, 4,404.16 and 1,793.88 is: 2,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.13 : 4,404.16 = 1,793.88 : x
  2. Step 2: Convert to fraction form
    3,191.13/4,404.16 = 1,793.88/x
  3. Step 3: Cross multiply
    3,191.13x = 4,404.16 × 1,793.88
  4. Step 4: Simplify right side
    3,191.13x = 7,900,525.57
  5. Step 5: Solve for x
    x = 7,900,525.57/3,191.13
  6. Step 6: Final answer
    x = 2,475.78

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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.