Home / 3,191.68-4,404.57-1,932.72

Finding the Fourth Proportional to 3,191.68, 4,404.57 and 1,932.72

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Solution

The fourth proportional to 3,191.68, 4,404.57 and 1,932.72 is: 2,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.68 : 4,404.57 = 1,932.72 : x
  2. Step 2: Convert to fraction form
    3,191.68/4,404.57 = 1,932.72/x
  3. Step 3: Cross multiply
    3,191.68x = 4,404.57 × 1,932.72
  4. Step 4: Simplify right side
    3,191.68x = 8,512,800.53
  5. Step 5: Solve for x
    x = 8,512,800.53/3,191.68
  6. Step 6: Final answer
    x = 2,667.18

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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.