Home / 3,336.28-4,997.92-2,178.52

Finding the Fourth Proportional to 3,336.28, 4,997.92 and 2,178.52

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Solution

The fourth proportional to 3,336.28, 4,997.92 and 2,178.52 is: 3,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.28 : 4,997.92 = 2,178.52 : x
  2. Step 2: Convert to fraction form
    3,336.28/4,997.92 = 2,178.52/x
  3. Step 3: Cross multiply
    3,336.28x = 4,997.92 × 2,178.52
  4. Step 4: Simplify right side
    3,336.28x = 10,888,068.68
  5. Step 5: Solve for x
    x = 10,888,068.68/3,336.28
  6. Step 6: Final answer
    x = 3,263.54

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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.