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Finding the Fourth Proportional to 3,968.06, 5,900.15 and 3,801.97

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Solution

The fourth proportional to 3,968.06, 5,900.15 and 3,801.97 is: 5,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.06 : 5,900.15 = 3,801.97 : x
  2. Step 2: Convert to fraction form
    3,968.06/5,900.15 = 3,801.97/x
  3. Step 3: Cross multiply
    3,968.06x = 5,900.15 × 3,801.97
  4. Step 4: Simplify right side
    3,968.06x = 22,432,159.54
  5. Step 5: Solve for x
    x = 22,432,159.54/3,968.06
  6. Step 6: Final answer
    x = 5,653.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.