Home / 5,049.32-7,568.38-2,129.64

Finding the Fourth Proportional to 5,049.32, 7,568.38 and 2,129.64

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Solution

The fourth proportional to 5,049.32, 7,568.38 and 2,129.64 is: 3,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.32 : 7,568.38 = 2,129.64 : x
  2. Step 2: Convert to fraction form
    5,049.32/7,568.38 = 2,129.64/x
  3. Step 3: Cross multiply
    5,049.32x = 7,568.38 × 2,129.64
  4. Step 4: Simplify right side
    5,049.32x = 16,117,924.78
  5. Step 5: Solve for x
    x = 16,117,924.78/5,049.32
  6. Step 6: Final answer
    x = 3,192.10

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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.