Home / 1,896.49-2,617.14-1,057.18

Finding the Fourth Proportional to 1,896.49, 2,617.14 and 1,057.18

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Solution

The fourth proportional to 1,896.49, 2,617.14 and 1,057.18 is: 1,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.49 : 2,617.14 = 1,057.18 : x
  2. Step 2: Convert to fraction form
    1,896.49/2,617.14 = 1,057.18/x
  3. Step 3: Cross multiply
    1,896.49x = 2,617.14 × 1,057.18
  4. Step 4: Simplify right side
    1,896.49x = 2,766,788.07
  5. Step 5: Solve for x
    x = 2,766,788.07/1,896.49
  6. Step 6: Final answer
    x = 1,458.90

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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.