Home / 7,579.52-11,348.32-3,873.78

Finding the Fourth Proportional to 7,579.52, 11,348.32 and 3,873.78

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Solution

The fourth proportional to 7,579.52, 11,348.32 and 3,873.78 is: 5,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.52 : 11,348.32 = 3,873.78 : x
  2. Step 2: Convert to fraction form
    7,579.52/11,348.32 = 3,873.78/x
  3. Step 3: Cross multiply
    7,579.52x = 11,348.32 × 3,873.78
  4. Step 4: Simplify right side
    7,579.52x = 43,960,895.05
  5. Step 5: Solve for x
    x = 43,960,895.05/7,579.52
  6. Step 6: Final answer
    x = 5,799.96

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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.