Home / 5,153.41-7,731.32-2,192.02

Finding the Fourth Proportional to 5,153.41, 7,731.32 and 2,192.02

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Solution

The fourth proportional to 5,153.41, 7,731.32 and 2,192.02 is: 3,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.41 : 7,731.32 = 2,192.02 : x
  2. Step 2: Convert to fraction form
    5,153.41/7,731.32 = 2,192.02/x
  3. Step 3: Cross multiply
    5,153.41x = 7,731.32 × 2,192.02
  4. Step 4: Simplify right side
    5,153.41x = 16,947,177.78
  5. Step 5: Solve for x
    x = 16,947,177.78/5,153.41
  6. Step 6: Final answer
    x = 3,288.54

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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.