Home / 5,183.20-7,157.92-3,298.34

Finding the Fourth Proportional to 5,183.20, 7,157.92 and 3,298.34

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Solution

The fourth proportional to 5,183.20, 7,157.92 and 3,298.34 is: 4,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.20 : 7,157.92 = 3,298.34 : x
  2. Step 2: Convert to fraction form
    5,183.20/7,157.92 = 3,298.34/x
  3. Step 3: Cross multiply
    5,183.20x = 7,157.92 × 3,298.34
  4. Step 4: Simplify right side
    5,183.20x = 23,609,253.85
  5. Step 5: Solve for x
    x = 23,609,253.85/5,183.20
  6. Step 6: Final answer
    x = 4,554.96

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.