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Finding the Fourth Proportional to 5,168.89, 7,751.51 and 2,395.05

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Solution

The fourth proportional to 5,168.89, 7,751.51 and 2,395.05 is: 3,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.89 : 7,751.51 = 2,395.05 : x
  2. Step 2: Convert to fraction form
    5,168.89/7,751.51 = 2,395.05/x
  3. Step 3: Cross multiply
    5,168.89x = 7,751.51 × 2,395.05
  4. Step 4: Simplify right side
    5,168.89x = 18,565,254.03
  5. Step 5: Solve for x
    x = 18,565,254.03/5,168.89
  6. Step 6: Final answer
    x = 3,591.73

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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.