Home / 3,067.30-4,234.17-1,948.30

Finding the Fourth Proportional to 3,067.30, 4,234.17 and 1,948.30

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Solution

The fourth proportional to 3,067.30, 4,234.17 and 1,948.30 is: 2,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.30 : 4,234.17 = 1,948.30 : x
  2. Step 2: Convert to fraction form
    3,067.30/4,234.17 = 1,948.30/x
  3. Step 3: Cross multiply
    3,067.30x = 4,234.17 × 1,948.30
  4. Step 4: Simplify right side
    3,067.30x = 8,249,433.41
  5. Step 5: Solve for x
    x = 8,249,433.41/3,067.30
  6. Step 6: Final answer
    x = 2,689.48

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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.