Home / 2,366.20-3,549.44-979.48

Finding the Fourth Proportional to 2,366.20, 3,549.44 and 979.48

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Solution

The fourth proportional to 2,366.20, 3,549.44 and 979.48 is: 1,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.20 : 3,549.44 = 979.48 : x
  2. Step 2: Convert to fraction form
    2,366.20/3,549.44 = 979.48/x
  3. Step 3: Cross multiply
    2,366.20x = 3,549.44 × 979.48
  4. Step 4: Simplify right side
    2,366.20x = 3,476,605.49
  5. Step 5: Solve for x
    x = 3,476,605.49/2,366.20
  6. Step 6: Final answer
    x = 1,469.28

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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.