Home / 3,740.62-5,611.26-1,072.18

Finding the Fourth Proportional to 3,740.62, 5,611.26 and 1,072.18

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Solution

The fourth proportional to 3,740.62, 5,611.26 and 1,072.18 is: 1,608.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.62 : 5,611.26 = 1,072.18 : x
  2. Step 2: Convert to fraction form
    3,740.62/5,611.26 = 1,072.18/x
  3. Step 3: Cross multiply
    3,740.62x = 5,611.26 × 1,072.18
  4. Step 4: Simplify right side
    3,740.62x = 6,016,280.75
  5. Step 5: Solve for x
    x = 6,016,280.75/3,740.62
  6. Step 6: Final answer
    x = 1,608.36

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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.