Home / 6,180.49-9,266.62-3,988.02

Finding the Fourth Proportional to 6,180.49, 9,266.62 and 3,988.02

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Solution

The fourth proportional to 6,180.49, 9,266.62 and 3,988.02 is: 5,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.49 : 9,266.62 = 3,988.02 : x
  2. Step 2: Convert to fraction form
    6,180.49/9,266.62 = 3,988.02/x
  3. Step 3: Cross multiply
    6,180.49x = 9,266.62 × 3,988.02
  4. Step 4: Simplify right side
    6,180.49x = 36,955,399.62
  5. Step 5: Solve for x
    x = 36,955,399.62/6,180.49
  6. Step 6: Final answer
    x = 5,979.37

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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.