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Finding the Fourth Proportional to 3,900.96, 5,851.44 and 2,052.95

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Solution

The fourth proportional to 3,900.96, 5,851.44 and 2,052.95 is: 3,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.96 : 5,851.44 = 2,052.95 : x
  2. Step 2: Convert to fraction form
    3,900.96/5,851.44 = 2,052.95/x
  3. Step 3: Cross multiply
    3,900.96x = 5,851.44 × 2,052.95
  4. Step 4: Simplify right side
    3,900.96x = 12,012,684.49
  5. Step 5: Solve for x
    x = 12,012,684.49/3,900.96
  6. Step 6: Final answer
    x = 3,079.42

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1.5x scale

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.