Home / 4,819.52-7,229.28-1,356.32

Finding the Fourth Proportional to 4,819.52, 7,229.28 and 1,356.32

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Solution

The fourth proportional to 4,819.52, 7,229.28 and 1,356.32 is: 2,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.52 : 7,229.28 = 1,356.32 : x
  2. Step 2: Convert to fraction form
    4,819.52/7,229.28 = 1,356.32/x
  3. Step 3: Cross multiply
    4,819.52x = 7,229.28 × 1,356.32
  4. Step 4: Simplify right side
    4,819.52x = 9,805,217.05
  5. Step 5: Solve for x
    x = 9,805,217.05/4,819.52
  6. Step 6: Final answer
    x = 2,034.48

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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.