Home / 4,522-6,243.27-3,105.23

Finding the Fourth Proportional to 4,522, 6,243.27 and 3,105.23

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Solution

The fourth proportional to 4,522, 6,243.27 and 3,105.23 is: 4,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,522 : 6,243.27 = 3,105.23 : x
  2. Step 2: Convert to fraction form
    4,522/6,243.27 = 3,105.23/x
  3. Step 3: Cross multiply
    4,522x = 6,243.27 × 3,105.23
  4. Step 4: Simplify right side
    4,522x = 19,386,789.30
  5. Step 5: Solve for x
    x = 19,386,789.30/4,522
  6. Step 6: Final answer
    x = 4,287.22

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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.