Home / 5,928.41-8,181.66-3,838.61

Finding the Fourth Proportional to 5,928.41, 8,181.66 and 3,838.61

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Solution

The fourth proportional to 5,928.41, 8,181.66 and 3,838.61 is: 5,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.41 : 8,181.66 = 3,838.61 : x
  2. Step 2: Convert to fraction form
    5,928.41/8,181.66 = 3,838.61/x
  3. Step 3: Cross multiply
    5,928.41x = 8,181.66 × 3,838.61
  4. Step 4: Simplify right side
    5,928.41x = 31,406,201.89
  5. Step 5: Solve for x
    x = 31,406,201.89/5,928.41
  6. Step 6: Final answer
    x = 5,297.58

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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.