Home / 4,972.23-6,863.82-2,982.48

Finding the Fourth Proportional to 4,972.23, 6,863.82 and 2,982.48

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Solution

The fourth proportional to 4,972.23, 6,863.82 and 2,982.48 is: 4,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.23 : 6,863.82 = 2,982.48 : x
  2. Step 2: Convert to fraction form
    4,972.23/6,863.82 = 2,982.48/x
  3. Step 3: Cross multiply
    4,972.23x = 6,863.82 × 2,982.48
  4. Step 4: Simplify right side
    4,972.23x = 20,471,205.87
  5. Step 5: Solve for x
    x = 20,471,205.87/4,972.23
  6. Step 6: Final answer
    x = 4,117.11

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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.