Home / 5,179.96-7,765.68-2,058.62

Finding the Fourth Proportional to 5,179.96, 7,765.68 and 2,058.62

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Solution

The fourth proportional to 5,179.96, 7,765.68 and 2,058.62 is: 3,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.96 : 7,765.68 = 2,058.62 : x
  2. Step 2: Convert to fraction form
    5,179.96/7,765.68 = 2,058.62/x
  3. Step 3: Cross multiply
    5,179.96x = 7,765.68 × 2,058.62
  4. Step 4: Simplify right side
    5,179.96x = 15,986,584.16
  5. Step 5: Solve for x
    x = 15,986,584.16/5,179.96
  6. Step 6: Final answer
    x = 3,086.24

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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.