Home / 4,917.47-7,377.56-2,144.38

Finding the Fourth Proportional to 4,917.47, 7,377.56 and 2,144.38

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Solution

The fourth proportional to 4,917.47, 7,377.56 and 2,144.38 is: 3,217.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.47 : 7,377.56 = 2,144.38 : x
  2. Step 2: Convert to fraction form
    4,917.47/7,377.56 = 2,144.38/x
  3. Step 3: Cross multiply
    4,917.47x = 7,377.56 × 2,144.38
  4. Step 4: Simplify right side
    4,917.47x = 15,820,296.88
  5. Step 5: Solve for x
    x = 15,820,296.88/4,917.47
  6. Step 6: Final answer
    x = 3,217.17

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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.