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Finding the Fourth Proportional to 3,796.56, 5,694.30 and 1,718.91

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Solution

The fourth proportional to 3,796.56, 5,694.30 and 1,718.91 is: 2,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,796.56 : 5,694.30 = 1,718.91 : x
  2. Step 2: Convert to fraction form
    3,796.56/5,694.30 = 1,718.91/x
  3. Step 3: Cross multiply
    3,796.56x = 5,694.30 × 1,718.91
  4. Step 4: Simplify right side
    3,796.56x = 9,787,989.21
  5. Step 5: Solve for x
    x = 9,787,989.21/3,796.56
  6. Step 6: Final answer
    x = 2,578.12

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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.