Home / 2,917.31-4,372.49-1,747.56

Finding the Fourth Proportional to 2,917.31, 4,372.49 and 1,747.56

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Solution

The fourth proportional to 2,917.31, 4,372.49 and 1,747.56 is: 2,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.31 : 4,372.49 = 1,747.56 : x
  2. Step 2: Convert to fraction form
    2,917.31/4,372.49 = 1,747.56/x
  3. Step 3: Cross multiply
    2,917.31x = 4,372.49 × 1,747.56
  4. Step 4: Simplify right side
    2,917.31x = 7,641,209.39
  5. Step 5: Solve for x
    x = 7,641,209.39/2,917.31
  6. Step 6: Final answer
    x = 2,619.27

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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.