Home / 1,843.75-2,544.36-1,057.78

Finding the Fourth Proportional to 1,843.75, 2,544.36 and 1,057.78

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Solution

The fourth proportional to 1,843.75, 2,544.36 and 1,057.78 is: 1,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.75 : 2,544.36 = 1,057.78 : x
  2. Step 2: Convert to fraction form
    1,843.75/2,544.36 = 1,057.78/x
  3. Step 3: Cross multiply
    1,843.75x = 2,544.36 × 1,057.78
  4. Step 4: Simplify right side
    1,843.75x = 2,691,373.12
  5. Step 5: Solve for x
    x = 2,691,373.12/1,843.75
  6. Step 6: Final answer
    x = 1,459.73

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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.