Home / 5,917.32-8,168.49-3,929.58

Finding the Fourth Proportional to 5,917.32, 8,168.49 and 3,929.58

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Solution

The fourth proportional to 5,917.32, 8,168.49 and 3,929.58 is: 5,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.32 : 8,168.49 = 3,929.58 : x
  2. Step 2: Convert to fraction form
    5,917.32/8,168.49 = 3,929.58/x
  3. Step 3: Cross multiply
    5,917.32x = 8,168.49 × 3,929.58
  4. Step 4: Simplify right side
    5,917.32x = 32,098,694.09
  5. Step 5: Solve for x
    x = 32,098,694.09/5,917.32
  6. Step 6: Final answer
    x = 5,424.54

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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.