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Finding the Fourth Proportional to 3,596.98, 5,395.09 and 1,131.73

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Solution

The fourth proportional to 3,596.98, 5,395.09 and 1,131.73 is: 1,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596.98 : 5,395.09 = 1,131.73 : x
  2. Step 2: Convert to fraction form
    3,596.98/5,395.09 = 1,131.73/x
  3. Step 3: Cross multiply
    3,596.98x = 5,395.09 × 1,131.73
  4. Step 4: Simplify right side
    3,596.98x = 6,105,785.21
  5. Step 5: Solve for x
    x = 6,105,785.21/3,596.98
  6. Step 6: Final answer
    x = 1,697.48

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Double scale
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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.