Home / 5,361.62-8,040.20-2,072.81

Finding the Fourth Proportional to 5,361.62, 8,040.20 and 2,072.81

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Solution

The fourth proportional to 5,361.62, 8,040.20 and 2,072.81 is: 3,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.62 : 8,040.20 = 2,072.81 : x
  2. Step 2: Convert to fraction form
    5,361.62/8,040.20 = 2,072.81/x
  3. Step 3: Cross multiply
    5,361.62x = 8,040.20 × 2,072.81
  4. Step 4: Simplify right side
    5,361.62x = 16,665,816.70
  5. Step 5: Solve for x
    x = 16,665,816.70/5,361.62
  6. Step 6: Final answer
    x = 3,108.36

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Why These Related Problems?

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