Home / 7,153.31-10,732.70-2,771.11

Finding the Fourth Proportional to 7,153.31, 10,732.70 and 2,771.11

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Solution

The fourth proportional to 7,153.31, 10,732.70 and 2,771.11 is: 4,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.31 : 10,732.70 = 2,771.11 : x
  2. Step 2: Convert to fraction form
    7,153.31/10,732.70 = 2,771.11/x
  3. Step 3: Cross multiply
    7,153.31x = 10,732.70 × 2,771.11
  4. Step 4: Simplify right side
    7,153.31x = 29,741,512.64
  5. Step 5: Solve for x
    x = 29,741,512.64/7,153.31
  6. Step 6: Final answer
    x = 4,157.73

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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.