Home / 5,317.25-7,979.99-3,676.19

Finding the Fourth Proportional to 5,317.25, 7,979.99 and 3,676.19

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Solution

The fourth proportional to 5,317.25, 7,979.99 and 3,676.19 is: 5,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.25 : 7,979.99 = 3,676.19 : x
  2. Step 2: Convert to fraction form
    5,317.25/7,979.99 = 3,676.19/x
  3. Step 3: Cross multiply
    5,317.25x = 7,979.99 × 3,676.19
  4. Step 4: Simplify right side
    5,317.25x = 29,335,901.16
  5. Step 5: Solve for x
    x = 29,335,901.16/5,317.25
  6. Step 6: Final answer
    x = 5,517.12

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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.