Home / 2,192.03-3,288.20-731.18

Finding the Fourth Proportional to 2,192.03, 3,288.20 and 731.18

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Solution

The fourth proportional to 2,192.03, 3,288.20 and 731.18 is: 1,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.03 : 3,288.20 = 731.18 : x
  2. Step 2: Convert to fraction form
    2,192.03/3,288.20 = 731.18/x
  3. Step 3: Cross multiply
    2,192.03x = 3,288.20 × 731.18
  4. Step 4: Simplify right side
    2,192.03x = 2,404,251.46
  5. Step 5: Solve for x
    x = 2,404,251.46/2,192.03
  6. Step 6: Final answer
    x = 1,096.82

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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.