Home / 5,422.33-8,132.68-1,724.82

Finding the Fourth Proportional to 5,422.33, 8,132.68 and 1,724.82

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Solution

The fourth proportional to 5,422.33, 8,132.68 and 1,724.82 is: 2,586.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.33 : 8,132.68 = 1,724.82 : x
  2. Step 2: Convert to fraction form
    5,422.33/8,132.68 = 1,724.82/x
  3. Step 3: Cross multiply
    5,422.33x = 8,132.68 × 1,724.82
  4. Step 4: Simplify right side
    5,422.33x = 14,027,409.12
  5. Step 5: Solve for x
    x = 14,027,409.12/5,422.33
  6. Step 6: Final answer
    x = 2,586.97

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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.