Home / 5,072.89-7,611.85-3,425.82

Finding the Fourth Proportional to 5,072.89, 7,611.85 and 3,425.82

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Solution

The fourth proportional to 5,072.89, 7,611.85 and 3,425.82 is: 5,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.89 : 7,611.85 = 3,425.82 : x
  2. Step 2: Convert to fraction form
    5,072.89/7,611.85 = 3,425.82/x
  3. Step 3: Cross multiply
    5,072.89x = 7,611.85 × 3,425.82
  4. Step 4: Simplify right side
    5,072.89x = 26,076,827.97
  5. Step 5: Solve for x
    x = 26,076,827.97/5,072.89
  6. Step 6: Final answer
    x = 5,140.43

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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.