Home / 3,921.82-5,412.27-2,243.50

Finding the Fourth Proportional to 3,921.82, 5,412.27 and 2,243.50

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Solution

The fourth proportional to 3,921.82, 5,412.27 and 2,243.50 is: 3,096.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.82 : 5,412.27 = 2,243.50 : x
  2. Step 2: Convert to fraction form
    3,921.82/5,412.27 = 2,243.50/x
  3. Step 3: Cross multiply
    3,921.82x = 5,412.27 × 2,243.50
  4. Step 4: Simplify right side
    3,921.82x = 12,142,427.75
  5. Step 5: Solve for x
    x = 12,142,427.75/3,921.82
  6. Step 6: Final answer
    x = 3,096.12

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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.