Home / 5,980.29-8,251.56-3,621.99

Finding the Fourth Proportional to 5,980.29, 8,251.56 and 3,621.99

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Solution

The fourth proportional to 5,980.29, 8,251.56 and 3,621.99 is: 4,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.29 : 8,251.56 = 3,621.99 : x
  2. Step 2: Convert to fraction form
    5,980.29/8,251.56 = 3,621.99/x
  3. Step 3: Cross multiply
    5,980.29x = 8,251.56 × 3,621.99
  4. Step 4: Simplify right side
    5,980.29x = 29,887,067.80
  5. Step 5: Solve for x
    x = 29,887,067.80/5,980.29
  6. Step 6: Final answer
    x = 4,997.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.