Home / 1,996.11-2,754.68-1,112.00

Finding the Fourth Proportional to 1,996.11, 2,754.68 and 1,112.00

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Solution

The fourth proportional to 1,996.11, 2,754.68 and 1,112.00 is: 1,534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.11 : 2,754.68 = 1,112.00 : x
  2. Step 2: Convert to fraction form
    1,996.11/2,754.68 = 1,112.00/x
  3. Step 3: Cross multiply
    1,996.11x = 2,754.68 × 1,112.00
  4. Step 4: Simplify right side
    1,996.11x = 3,063,184.83
  5. Step 5: Solve for x
    x = 3,063,184.83/1,996.11
  6. Step 6: Final answer
    x = 1,534.58

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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.