Home / 4,981.29-6,874.43-2,743.47

Finding the Fourth Proportional to 4,981.29, 6,874.43 and 2,743.47

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Solution

The fourth proportional to 4,981.29, 6,874.43 and 2,743.47 is: 3,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.29 : 6,874.43 = 2,743.47 : x
  2. Step 2: Convert to fraction form
    4,981.29/6,874.43 = 2,743.47/x
  3. Step 3: Cross multiply
    4,981.29x = 6,874.43 × 2,743.47
  4. Step 4: Simplify right side
    4,981.29x = 18,859,778.75
  5. Step 5: Solve for x
    x = 18,859,778.75/4,981.29
  6. Step 6: Final answer
    x = 3,786.12

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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.