Home / 1,896.58-2,616.96-1,057.10

Finding the Fourth Proportional to 1,896.58, 2,616.96 and 1,057.10

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Solution

The fourth proportional to 1,896.58, 2,616.96 and 1,057.10 is: 1,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.58 : 2,616.96 = 1,057.10 : x
  2. Step 2: Convert to fraction form
    1,896.58/2,616.96 = 1,057.10/x
  3. Step 3: Cross multiply
    1,896.58x = 2,616.96 × 1,057.10
  4. Step 4: Simplify right side
    1,896.58x = 2,766,370.05
  5. Step 5: Solve for x
    x = 2,766,370.05/1,896.58
  6. Step 6: Final answer
    x = 1,458.61

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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.