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Finding the Fourth Proportional to 5,474.64, 8,212.92 and 2,395.92

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Solution

The fourth proportional to 5,474.64, 8,212.92 and 2,395.92 is: 3,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.64 : 8,212.92 = 2,395.92 : x
  2. Step 2: Convert to fraction form
    5,474.64/8,212.92 = 2,395.92/x
  3. Step 3: Cross multiply
    5,474.64x = 8,212.92 × 2,395.92
  4. Step 4: Simplify right side
    5,474.64x = 19,677,499.29
  5. Step 5: Solve for x
    x = 19,677,499.29/5,474.64
  6. Step 6: Final answer
    x = 3,594.30

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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.