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Finding the Fourth Proportional to 3,924.54, 5,915.03 and 3,383.26

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Solution

The fourth proportional to 3,924.54, 5,915.03 and 3,383.26 is: 5,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.54 : 5,915.03 = 3,383.26 : x
  2. Step 2: Convert to fraction form
    3,924.54/5,915.03 = 3,383.26/x
  3. Step 3: Cross multiply
    3,924.54x = 5,915.03 × 3,383.26
  4. Step 4: Simplify right side
    3,924.54x = 20,012,071.72
  5. Step 5: Solve for x
    x = 20,012,071.72/3,924.54
  6. Step 6: Final answer
    x = 5,099.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.