Home / 1,896.44-2,617.19-1,057.11

Finding the Fourth Proportional to 1,896.44, 2,617.19 and 1,057.11

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Solution

The fourth proportional to 1,896.44, 2,617.19 and 1,057.11 is: 1,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.44 : 2,617.19 = 1,057.11 : x
  2. Step 2: Convert to fraction form
    1,896.44/2,617.19 = 1,057.11/x
  3. Step 3: Cross multiply
    1,896.44x = 2,617.19 × 1,057.11
  4. Step 4: Simplify right side
    1,896.44x = 2,766,657.72
  5. Step 5: Solve for x
    x = 2,766,657.72/1,896.44
  6. Step 6: Final answer
    x = 1,458.87

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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.