Home / 6,120.50-8,446.29-3,326

Finding the Fourth Proportional to 6,120.50, 8,446.29 and 3,326

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Solution

The fourth proportional to 6,120.50, 8,446.29 and 3,326 is: 4,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.50 : 8,446.29 = 3,326 : x
  2. Step 2: Convert to fraction form
    6,120.50/8,446.29 = 3,326/x
  3. Step 3: Cross multiply
    6,120.50x = 8,446.29 × 3,326
  4. Step 4: Simplify right side
    6,120.50x = 28,092,360.54
  5. Step 5: Solve for x
    x = 28,092,360.54/6,120.50
  6. Step 6: Final answer
    x = 4,589.88

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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.