Home / 4,819.32-7,234.74-2,872.44

Finding the Fourth Proportional to 4,819.32, 7,234.74 and 2,872.44

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Solution

The fourth proportional to 4,819.32, 7,234.74 and 2,872.44 is: 4,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.32 : 7,234.74 = 2,872.44 : x
  2. Step 2: Convert to fraction form
    4,819.32/7,234.74 = 2,872.44/x
  3. Step 3: Cross multiply
    4,819.32x = 7,234.74 × 2,872.44
  4. Step 4: Simplify right side
    4,819.32x = 20,781,356.57
  5. Step 5: Solve for x
    x = 20,781,356.57/4,819.32
  6. Step 6: Final answer
    x = 4,312.09

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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.