Home / 3,167.71-4,371.20-1,770.19

Finding the Fourth Proportional to 3,167.71, 4,371.20 and 1,770.19

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Solution

The fourth proportional to 3,167.71, 4,371.20 and 1,770.19 is: 2,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.71 : 4,371.20 = 1,770.19 : x
  2. Step 2: Convert to fraction form
    3,167.71/4,371.20 = 1,770.19/x
  3. Step 3: Cross multiply
    3,167.71x = 4,371.20 × 1,770.19
  4. Step 4: Simplify right side
    3,167.71x = 7,737,841.39
  5. Step 5: Solve for x
    x = 7,737,841.39/3,167.71
  6. Step 6: Final answer
    x = 2,442.73

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1.5x scale

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.