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Finding the Fourth Proportional to 5,437.92, 8,157.96 and 3,099

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Solution

The fourth proportional to 5,437.92, 8,157.96 and 3,099 is: 4,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.92 : 8,157.96 = 3,099 : x
  2. Step 2: Convert to fraction form
    5,437.92/8,157.96 = 3,099/x
  3. Step 3: Cross multiply
    5,437.92x = 8,157.96 × 3,099
  4. Step 4: Simplify right side
    5,437.92x = 25,281,518.04
  5. Step 5: Solve for x
    x = 25,281,518.04/5,437.92
  6. Step 6: Final answer
    x = 4,649.12

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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.