Home / 4,917.33-7,371.18-2,721.42

Finding the Fourth Proportional to 4,917.33, 7,371.18 and 2,721.42

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Solution

The fourth proportional to 4,917.33, 7,371.18 and 2,721.42 is: 4,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.33 : 7,371.18 = 2,721.42 : x
  2. Step 2: Convert to fraction form
    4,917.33/7,371.18 = 2,721.42/x
  3. Step 3: Cross multiply
    4,917.33x = 7,371.18 × 2,721.42
  4. Step 4: Simplify right side
    4,917.33x = 20,060,076.68
  5. Step 5: Solve for x
    x = 20,060,076.68/4,917.33
  6. Step 6: Final answer
    x = 4,079.47

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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.