Home / 3,759.28-5,185.38-2,581.00

Finding the Fourth Proportional to 3,759.28, 5,185.38 and 2,581.00

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Solution

The fourth proportional to 3,759.28, 5,185.38 and 2,581.00 is: 3,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.28 : 5,185.38 = 2,581.00 : x
  2. Step 2: Convert to fraction form
    3,759.28/5,185.38 = 2,581.00/x
  3. Step 3: Cross multiply
    3,759.28x = 5,185.38 × 2,581.00
  4. Step 4: Simplify right side
    3,759.28x = 13,383,462.50
  5. Step 5: Solve for x
    x = 13,383,462.50/3,759.28
  6. Step 6: Final answer
    x = 3,560.12

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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.