Home / 7,928.27-10,945.49-5,414.03

Finding the Fourth Proportional to 7,928.27, 10,945.49 and 5,414.03

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Solution

The fourth proportional to 7,928.27, 10,945.49 and 5,414.03 is: 7,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.27 : 10,945.49 = 5,414.03 : x
  2. Step 2: Convert to fraction form
    7,928.27/10,945.49 = 5,414.03/x
  3. Step 3: Cross multiply
    7,928.27x = 10,945.49 × 5,414.03
  4. Step 4: Simplify right side
    7,928.27x = 59,259,211.22
  5. Step 5: Solve for x
    x = 59,259,211.22/7,928.27
  6. Step 6: Final answer
    x = 7,474.42

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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.