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Finding the Fourth Proportional to 3,995.60, 5,993.40 and 3,592.40

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Solution

The fourth proportional to 3,995.60, 5,993.40 and 3,592.40 is: 5,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.60 : 5,993.40 = 3,592.40 : x
  2. Step 2: Convert to fraction form
    3,995.60/5,993.40 = 3,592.40/x
  3. Step 3: Cross multiply
    3,995.60x = 5,993.40 × 3,592.40
  4. Step 4: Simplify right side
    3,995.60x = 21,530,690.16
  5. Step 5: Solve for x
    x = 21,530,690.16/3,995.60
  6. Step 6: Final answer
    x = 5,388.60

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Similar ratio
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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.