Home / 7,819.20-11,725.83-2,552.96

Finding the Fourth Proportional to 7,819.20, 11,725.83 and 2,552.96

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Solution

The fourth proportional to 7,819.20, 11,725.83 and 2,552.96 is: 3,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.20 : 11,725.83 = 2,552.96 : x
  2. Step 2: Convert to fraction form
    7,819.20/11,725.83 = 2,552.96/x
  3. Step 3: Cross multiply
    7,819.20x = 11,725.83 × 2,552.96
  4. Step 4: Simplify right side
    7,819.20x = 29,935,574.96
  5. Step 5: Solve for x
    x = 29,935,574.96/7,819.20
  6. Step 6: Final answer
    x = 3,828.47

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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.