Home / 1,961.66-2,708.85-1,463.43

Finding the Fourth Proportional to 1,961.66, 2,708.85 and 1,463.43

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Solution

The fourth proportional to 1,961.66, 2,708.85 and 1,463.43 is: 2,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.66 : 2,708.85 = 1,463.43 : x
  2. Step 2: Convert to fraction form
    1,961.66/2,708.85 = 1,463.43/x
  3. Step 3: Cross multiply
    1,961.66x = 2,708.85 × 1,463.43
  4. Step 4: Simplify right side
    1,961.66x = 3,964,213.64
  5. Step 5: Solve for x
    x = 3,964,213.64/1,961.66
  6. Step 6: Final answer
    x = 2,020.85

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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.