Home / 2,132.28-3,199.38-1,156.92

Finding the Fourth Proportional to 2,132.28, 3,199.38 and 1,156.92

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Solution

The fourth proportional to 2,132.28, 3,199.38 and 1,156.92 is: 1,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.28 : 3,199.38 = 1,156.92 : x
  2. Step 2: Convert to fraction form
    2,132.28/3,199.38 = 1,156.92/x
  3. Step 3: Cross multiply
    2,132.28x = 3,199.38 × 1,156.92
  4. Step 4: Simplify right side
    2,132.28x = 3,701,426.71
  5. Step 5: Solve for x
    x = 3,701,426.71/2,132.28
  6. Step 6: Final answer
    x = 1,735.90

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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.