Home / 5,761.31-8,643.09-2,251.18

Finding the Fourth Proportional to 5,761.31, 8,643.09 and 2,251.18

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Solution

The fourth proportional to 5,761.31, 8,643.09 and 2,251.18 is: 3,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.31 : 8,643.09 = 2,251.18 : x
  2. Step 2: Convert to fraction form
    5,761.31/8,643.09 = 2,251.18/x
  3. Step 3: Cross multiply
    5,761.31x = 8,643.09 × 2,251.18
  4. Step 4: Simplify right side
    5,761.31x = 19,457,151.35
  5. Step 5: Solve for x
    x = 19,457,151.35/5,761.31
  6. Step 6: Final answer
    x = 3,377.21

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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.