Home / 5,320.70-7,968.88-2,549.33

Finding the Fourth Proportional to 5,320.70, 7,968.88 and 2,549.33

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Solution

The fourth proportional to 5,320.70, 7,968.88 and 2,549.33 is: 3,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.70 : 7,968.88 = 2,549.33 : x
  2. Step 2: Convert to fraction form
    5,320.70/7,968.88 = 2,549.33/x
  3. Step 3: Cross multiply
    5,320.70x = 7,968.88 × 2,549.33
  4. Step 4: Simplify right side
    5,320.70x = 20,315,304.85
  5. Step 5: Solve for x
    x = 20,315,304.85/5,320.70
  6. Step 6: Final answer
    x = 3,818.16

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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.