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Finding the Fourth Proportional to 4,797.69, 7,229.16 and 3,993.96

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Solution

The fourth proportional to 4,797.69, 7,229.16 and 3,993.96 is: 6,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.69 : 7,229.16 = 3,993.96 : x
  2. Step 2: Convert to fraction form
    4,797.69/7,229.16 = 3,993.96/x
  3. Step 3: Cross multiply
    4,797.69x = 7,229.16 × 3,993.96
  4. Step 4: Simplify right side
    4,797.69x = 28,872,975.87
  5. Step 5: Solve for x
    x = 28,872,975.87/4,797.69
  6. Step 6: Final answer
    x = 6,018.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.