Home / 2,292.17-3,439.22-1,123.20

Finding the Fourth Proportional to 2,292.17, 3,439.22 and 1,123.20

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Solution

The fourth proportional to 2,292.17, 3,439.22 and 1,123.20 is: 1,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.17 : 3,439.22 = 1,123.20 : x
  2. Step 2: Convert to fraction form
    2,292.17/3,439.22 = 1,123.20/x
  3. Step 3: Cross multiply
    2,292.17x = 3,439.22 × 1,123.20
  4. Step 4: Simplify right side
    2,292.17x = 3,862,926.29
  5. Step 5: Solve for x
    x = 3,862,926.29/2,292.17
  6. Step 6: Final answer
    x = 1,685.27

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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.