Home / 5,344.29-7,375.41-3,220.49

Finding the Fourth Proportional to 5,344.29, 7,375.41 and 3,220.49

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Solution

The fourth proportional to 5,344.29, 7,375.41 and 3,220.49 is: 4,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.29 : 7,375.41 = 3,220.49 : x
  2. Step 2: Convert to fraction form
    5,344.29/7,375.41 = 3,220.49/x
  3. Step 3: Cross multiply
    5,344.29x = 7,375.41 × 3,220.49
  4. Step 4: Simplify right side
    5,344.29x = 23,752,434.15
  5. Step 5: Solve for x
    x = 23,752,434.15/5,344.29
  6. Step 6: Final answer
    x = 4,444.45

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1.5x scale

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.