Home / 3,107.25-4,660.92-1,159.47

Finding the Fourth Proportional to 3,107.25, 4,660.92 and 1,159.47

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Solution

The fourth proportional to 3,107.25, 4,660.92 and 1,159.47 is: 1,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.25 : 4,660.92 = 1,159.47 : x
  2. Step 2: Convert to fraction form
    3,107.25/4,660.92 = 1,159.47/x
  3. Step 3: Cross multiply
    3,107.25x = 4,660.92 × 1,159.47
  4. Step 4: Simplify right side
    3,107.25x = 5,404,196.91
  5. Step 5: Solve for x
    x = 5,404,196.91/3,107.25
  6. Step 6: Final answer
    x = 1,739.22

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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.