Home / 5,892.70-8,131.86-3,240.04

Finding the Fourth Proportional to 5,892.70, 8,131.86 and 3,240.04

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Solution

The fourth proportional to 5,892.70, 8,131.86 and 3,240.04 is: 4,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892.70 : 8,131.86 = 3,240.04 : x
  2. Step 2: Convert to fraction form
    5,892.70/8,131.86 = 3,240.04/x
  3. Step 3: Cross multiply
    5,892.70x = 8,131.86 × 3,240.04
  4. Step 4: Simplify right side
    5,892.70x = 26,347,551.67
  5. Step 5: Solve for x
    x = 26,347,551.67/5,892.70
  6. Step 6: Final answer
    x = 4,471.22

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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.