Home / 2,191.12-3,282.10-1,092.14

Finding the Fourth Proportional to 2,191.12, 3,282.10 and 1,092.14

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Solution

The fourth proportional to 2,191.12, 3,282.10 and 1,092.14 is: 1,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.12 : 3,282.10 = 1,092.14 : x
  2. Step 2: Convert to fraction form
    2,191.12/3,282.10 = 1,092.14/x
  3. Step 3: Cross multiply
    2,191.12x = 3,282.10 × 1,092.14
  4. Step 4: Simplify right side
    2,191.12x = 3,584,512.69
  5. Step 5: Solve for x
    x = 3,584,512.69/2,191.12
  6. Step 6: Final answer
    x = 1,635.93

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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.