Home / 3,818.36-5,727.82-1,185.52

Finding the Fourth Proportional to 3,818.36, 5,727.82 and 1,185.52

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Solution

The fourth proportional to 3,818.36, 5,727.82 and 1,185.52 is: 1,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.36 : 5,727.82 = 1,185.52 : x
  2. Step 2: Convert to fraction form
    3,818.36/5,727.82 = 1,185.52/x
  3. Step 3: Cross multiply
    3,818.36x = 5,727.82 × 1,185.52
  4. Step 4: Simplify right side
    3,818.36x = 6,790,445.17
  5. Step 5: Solve for x
    x = 6,790,445.17/3,818.36
  6. Step 6: Final answer
    x = 1,778.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.