Home / 5,918.27-8,166.62-3,822.39

Finding the Fourth Proportional to 5,918.27, 8,166.62 and 3,822.39

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Solution

The fourth proportional to 5,918.27, 8,166.62 and 3,822.39 is: 5,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.27 : 8,166.62 = 3,822.39 : x
  2. Step 2: Convert to fraction form
    5,918.27/8,166.62 = 3,822.39/x
  3. Step 3: Cross multiply
    5,918.27x = 8,166.62 × 3,822.39
  4. Step 4: Simplify right side
    5,918.27x = 31,216,016.18
  5. Step 5: Solve for x
    x = 31,216,016.18/5,918.27
  6. Step 6: Final answer
    x = 5,274.52

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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.