Home / 5,168.43-7,740.32-2,824.92

Finding the Fourth Proportional to 5,168.43, 7,740.32 and 2,824.92

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Solution

The fourth proportional to 5,168.43, 7,740.32 and 2,824.92 is: 4,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.43 : 7,740.32 = 2,824.92 : x
  2. Step 2: Convert to fraction form
    5,168.43/7,740.32 = 2,824.92/x
  3. Step 3: Cross multiply
    5,168.43x = 7,740.32 × 2,824.92
  4. Step 4: Simplify right side
    5,168.43x = 21,865,770.65
  5. Step 5: Solve for x
    x = 21,865,770.65/5,168.43
  6. Step 6: Final answer
    x = 4,230.64

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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.