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Finding the Fourth Proportional to 3,966.94, 5,474.38 and 2,395.94

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Solution

The fourth proportional to 3,966.94, 5,474.38 and 2,395.94 is: 3,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.94 : 5,474.38 = 2,395.94 : x
  2. Step 2: Convert to fraction form
    3,966.94/5,474.38 = 2,395.94/x
  3. Step 3: Cross multiply
    3,966.94x = 5,474.38 × 2,395.94
  4. Step 4: Simplify right side
    3,966.94x = 13,116,286.02
  5. Step 5: Solve for x
    x = 13,116,286.02/3,966.94
  6. Step 6: Final answer
    x = 3,306.40

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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.