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Finding the Fourth Proportional to 3,595, 5,392.80 and 997.96

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Solution

The fourth proportional to 3,595, 5,392.80 and 997.96 is: 1,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595 : 5,392.80 = 997.96 : x
  2. Step 2: Convert to fraction form
    3,595/5,392.80 = 997.96/x
  3. Step 3: Cross multiply
    3,595x = 5,392.80 × 997.96
  4. Step 4: Simplify right side
    3,595x = 5,381,798.69
  5. Step 5: Solve for x
    x = 5,381,798.69/3,595
  6. Step 6: Final answer
    x = 1,497.02

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Double scale
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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.