Home / 5,168.53-7,132.62-3,072.25

Finding the Fourth Proportional to 5,168.53, 7,132.62 and 3,072.25

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Solution

The fourth proportional to 5,168.53, 7,132.62 and 3,072.25 is: 4,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.53 : 7,132.62 = 3,072.25 : x
  2. Step 2: Convert to fraction form
    5,168.53/7,132.62 = 3,072.25/x
  3. Step 3: Cross multiply
    5,168.53x = 7,132.62 × 3,072.25
  4. Step 4: Simplify right side
    5,168.53x = 21,913,191.80
  5. Step 5: Solve for x
    x = 21,913,191.80/5,168.53
  6. Step 6: Final answer
    x = 4,239.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.