Home / 3,682.41-5,081.78-2,110.50

Finding the Fourth Proportional to 3,682.41, 5,081.78 and 2,110.50

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Solution

The fourth proportional to 3,682.41, 5,081.78 and 2,110.50 is: 2,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.41 : 5,081.78 = 2,110.50 : x
  2. Step 2: Convert to fraction form
    3,682.41/5,081.78 = 2,110.50/x
  3. Step 3: Cross multiply
    3,682.41x = 5,081.78 × 2,110.50
  4. Step 4: Simplify right side
    3,682.41x = 10,725,086.14
  5. Step 5: Solve for x
    x = 10,725,086.14/3,682.41
  6. Step 6: Final answer
    x = 2,912.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.