Home / 2,691.53-3,712.89-2,027.23

Finding the Fourth Proportional to 2,691.53, 3,712.89 and 2,027.23

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Solution

The fourth proportional to 2,691.53, 3,712.89 and 2,027.23 is: 2,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.53 : 3,712.89 = 2,027.23 : x
  2. Step 2: Convert to fraction form
    2,691.53/3,712.89 = 2,027.23/x
  3. Step 3: Cross multiply
    2,691.53x = 3,712.89 × 2,027.23
  4. Step 4: Simplify right side
    2,691.53x = 7,526,868.91
  5. Step 5: Solve for x
    x = 7,526,868.91/2,691.53
  6. Step 6: Final answer
    x = 2,796.50

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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.