Home / 4,721.80-6,516.92-2,732.04

Finding the Fourth Proportional to 4,721.80, 6,516.92 and 2,732.04

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Solution

The fourth proportional to 4,721.80, 6,516.92 and 2,732.04 is: 3,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.80 : 6,516.92 = 2,732.04 : x
  2. Step 2: Convert to fraction form
    4,721.80/6,516.92 = 2,732.04/x
  3. Step 3: Cross multiply
    4,721.80x = 6,516.92 × 2,732.04
  4. Step 4: Simplify right side
    4,721.80x = 17,804,486.12
  5. Step 5: Solve for x
    x = 17,804,486.12/4,721.80
  6. Step 6: Final answer
    x = 3,770.70

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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.