Home / 5,143-7,724.85-3,067.06

Finding the Fourth Proportional to 5,143, 7,724.85 and 3,067.06

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Solution

The fourth proportional to 5,143, 7,724.85 and 3,067.06 is: 4,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143 : 7,724.85 = 3,067.06 : x
  2. Step 2: Convert to fraction form
    5,143/7,724.85 = 3,067.06/x
  3. Step 3: Cross multiply
    5,143x = 7,724.85 × 3,067.06
  4. Step 4: Simplify right side
    5,143x = 23,692,578.44
  5. Step 5: Solve for x
    x = 23,692,578.44/5,143
  6. Step 6: Final answer
    x = 4,606.76

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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.