Home / 3,275.13-4,521.12-1,949.97

Finding the Fourth Proportional to 3,275.13, 4,521.12 and 1,949.97

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Solution

The fourth proportional to 3,275.13, 4,521.12 and 1,949.97 is: 2,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.13 : 4,521.12 = 1,949.97 : x
  2. Step 2: Convert to fraction form
    3,275.13/4,521.12 = 1,949.97/x
  3. Step 3: Cross multiply
    3,275.13x = 4,521.12 × 1,949.97
  4. Step 4: Simplify right side
    3,275.13x = 8,816,048.37
  5. Step 5: Solve for x
    x = 8,816,048.37/3,275.13
  6. Step 6: Final answer
    x = 2,691.82

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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.