Home / 4,789.80-7,179.77-2,593.89

Finding the Fourth Proportional to 4,789.80, 7,179.77 and 2,593.89

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Solution

The fourth proportional to 4,789.80, 7,179.77 and 2,593.89 is: 3,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.80 : 7,179.77 = 2,593.89 : x
  2. Step 2: Convert to fraction form
    4,789.80/7,179.77 = 2,593.89/x
  3. Step 3: Cross multiply
    4,789.80x = 7,179.77 × 2,593.89
  4. Step 4: Simplify right side
    4,789.80x = 18,623,540.09
  5. Step 5: Solve for x
    x = 18,623,540.09/4,789.80
  6. Step 6: Final answer
    x = 3,888.17

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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.