Home / 1,896.78-2,617.07-1,233.48

Finding the Fourth Proportional to 1,896.78, 2,617.07 and 1,233.48

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Solution

The fourth proportional to 1,896.78, 2,617.07 and 1,233.48 is: 1,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.78 : 2,617.07 = 1,233.48 : x
  2. Step 2: Convert to fraction form
    1,896.78/2,617.07 = 1,233.48/x
  3. Step 3: Cross multiply
    1,896.78x = 2,617.07 × 1,233.48
  4. Step 4: Simplify right side
    1,896.78x = 3,228,097.34
  5. Step 5: Solve for x
    x = 3,228,097.34/1,896.78
  6. Step 6: Final answer
    x = 1,701.88

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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.