Home / 3,275.73-4,519.94-1,949.22

Finding the Fourth Proportional to 3,275.73, 4,519.94 and 1,949.22

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Solution

The fourth proportional to 3,275.73, 4,519.94 and 1,949.22 is: 2,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.73 : 4,519.94 = 1,949.22 : x
  2. Step 2: Convert to fraction form
    3,275.73/4,519.94 = 1,949.22/x
  3. Step 3: Cross multiply
    3,275.73x = 4,519.94 × 1,949.22
  4. Step 4: Simplify right side
    3,275.73x = 8,810,347.70
  5. Step 5: Solve for x
    x = 8,810,347.70/3,275.73
  6. Step 6: Final answer
    x = 2,689.58

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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.