Home / 5,180.26-7,145.61-3,314.02

Finding the Fourth Proportional to 5,180.26, 7,145.61 and 3,314.02

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Solution

The fourth proportional to 5,180.26, 7,145.61 and 3,314.02 is: 4,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.26 : 7,145.61 = 3,314.02 : x
  2. Step 2: Convert to fraction form
    5,180.26/7,145.61 = 3,314.02/x
  3. Step 3: Cross multiply
    5,180.26x = 7,145.61 × 3,314.02
  4. Step 4: Simplify right side
    5,180.26x = 23,680,694.45
  5. Step 5: Solve for x
    x = 23,680,694.45/5,180.26
  6. Step 6: Final answer
    x = 4,571.33

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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.