Home / 3,198.77-4,414.38-1,763.19

Finding the Fourth Proportional to 3,198.77, 4,414.38 and 1,763.19

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Solution

The fourth proportional to 3,198.77, 4,414.38 and 1,763.19 is: 2,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.77 : 4,414.38 = 1,763.19 : x
  2. Step 2: Convert to fraction form
    3,198.77/4,414.38 = 1,763.19/x
  3. Step 3: Cross multiply
    3,198.77x = 4,414.38 × 1,763.19
  4. Step 4: Simplify right side
    3,198.77x = 7,783,397.28
  5. Step 5: Solve for x
    x = 7,783,397.28/3,198.77
  6. Step 6: Final answer
    x = 2,433.25

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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.