Home / 3,167.19-4,750.80-1,867.75

Finding the Fourth Proportional to 3,167.19, 4,750.80 and 1,867.75

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Solution

The fourth proportional to 3,167.19, 4,750.80 and 1,867.75 is: 2,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.19 : 4,750.80 = 1,867.75 : x
  2. Step 2: Convert to fraction form
    3,167.19/4,750.80 = 1,867.75/x
  3. Step 3: Cross multiply
    3,167.19x = 4,750.80 × 1,867.75
  4. Step 4: Simplify right side
    3,167.19x = 8,873,306.70
  5. Step 5: Solve for x
    x = 8,873,306.70/3,167.19
  6. Step 6: Final answer
    x = 2,801.63

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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.