Home / 5,470.22-7,541.24-3,872.12

Finding the Fourth Proportional to 5,470.22, 7,541.24 and 3,872.12

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Solution

The fourth proportional to 5,470.22, 7,541.24 and 3,872.12 is: 5,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.22 : 7,541.24 = 3,872.12 : x
  2. Step 2: Convert to fraction form
    5,470.22/7,541.24 = 3,872.12/x
  3. Step 3: Cross multiply
    5,470.22x = 7,541.24 × 3,872.12
  4. Step 4: Simplify right side
    5,470.22x = 29,200,529.16
  5. Step 5: Solve for x
    x = 29,200,529.16/5,470.22
  6. Step 6: Final answer
    x = 5,338.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.