Home / 3,905.46-5,391.09-2,333.25

Finding the Fourth Proportional to 3,905.46, 5,391.09 and 2,333.25

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Solution

The fourth proportional to 3,905.46, 5,391.09 and 2,333.25 is: 3,220.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.46 : 5,391.09 = 2,333.25 : x
  2. Step 2: Convert to fraction form
    3,905.46/5,391.09 = 2,333.25/x
  3. Step 3: Cross multiply
    3,905.46x = 5,391.09 × 2,333.25
  4. Step 4: Simplify right side
    3,905.46x = 12,578,760.74
  5. Step 5: Solve for x
    x = 12,578,760.74/3,905.46
  6. Step 6: Final answer
    x = 3,220.81

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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.