Home / 5,304.30-7,318.67-3,180.48

Finding the Fourth Proportional to 5,304.30, 7,318.67 and 3,180.48

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Solution

The fourth proportional to 5,304.30, 7,318.67 and 3,180.48 is: 4,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.30 : 7,318.67 = 3,180.48 : x
  2. Step 2: Convert to fraction form
    5,304.30/7,318.67 = 3,180.48/x
  3. Step 3: Cross multiply
    5,304.30x = 7,318.67 × 3,180.48
  4. Step 4: Simplify right side
    5,304.30x = 23,276,867.66
  5. Step 5: Solve for x
    x = 23,276,867.66/5,304.30
  6. Step 6: Final answer
    x = 4,388.30

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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.