Home / 2,691.73-3,719.72-2,027.43

Finding the Fourth Proportional to 2,691.73, 3,719.72 and 2,027.43

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Solution

The fourth proportional to 2,691.73, 3,719.72 and 2,027.43 is: 2,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.73 : 3,719.72 = 2,027.43 : x
  2. Step 2: Convert to fraction form
    2,691.73/3,719.72 = 2,027.43/x
  3. Step 3: Cross multiply
    2,691.73x = 3,719.72 × 2,027.43
  4. Step 4: Simplify right side
    2,691.73x = 7,541,476.99
  5. Step 5: Solve for x
    x = 7,541,476.99/2,691.73
  6. Step 6: Final answer
    x = 2,801.72

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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.