Home / 4,989.68-7,483.16-2,067.28

Finding the Fourth Proportional to 4,989.68, 7,483.16 and 2,067.28

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Solution

The fourth proportional to 4,989.68, 7,483.16 and 2,067.28 is: 3,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.68 : 7,483.16 = 2,067.28 : x
  2. Step 2: Convert to fraction form
    4,989.68/7,483.16 = 2,067.28/x
  3. Step 3: Cross multiply
    4,989.68x = 7,483.16 × 2,067.28
  4. Step 4: Simplify right side
    4,989.68x = 15,469,787.00
  5. Step 5: Solve for x
    x = 15,469,787.00/4,989.68
  6. Step 6: Final answer
    x = 3,100.36

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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.