Home / 7,180.89-10,771.36-2,183.32

Finding the Fourth Proportional to 7,180.89, 10,771.36 and 2,183.32

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Solution

The fourth proportional to 7,180.89, 10,771.36 and 2,183.32 is: 3,274.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.89 : 10,771.36 = 2,183.32 : x
  2. Step 2: Convert to fraction form
    7,180.89/10,771.36 = 2,183.32/x
  3. Step 3: Cross multiply
    7,180.89x = 10,771.36 × 2,183.32
  4. Step 4: Simplify right side
    7,180.89x = 23,517,333.72
  5. Step 5: Solve for x
    x = 23,517,333.72/7,180.89
  6. Step 6: Final answer
    x = 3,274.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.