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Finding the Fourth Proportional to 4,375.84, 6,034.62 and 3,938.44

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Solution

The fourth proportional to 4,375.84, 6,034.62 and 3,938.44 is: 5,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.84 : 6,034.62 = 3,938.44 : x
  2. Step 2: Convert to fraction form
    4,375.84/6,034.62 = 3,938.44/x
  3. Step 3: Cross multiply
    4,375.84x = 6,034.62 × 3,938.44
  4. Step 4: Simplify right side
    4,375.84x = 23,766,988.79
  5. Step 5: Solve for x
    x = 23,766,988.79/4,375.84
  6. Step 6: Final answer
    x = 5,431.41

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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.