Home / 5,072.82-7,002.63-3,084

Finding the Fourth Proportional to 5,072.82, 7,002.63 and 3,084

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Solution

The fourth proportional to 5,072.82, 7,002.63 and 3,084 is: 4,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.82 : 7,002.63 = 3,084 : x
  2. Step 2: Convert to fraction form
    5,072.82/7,002.63 = 3,084/x
  3. Step 3: Cross multiply
    5,072.82x = 7,002.63 × 3,084
  4. Step 4: Simplify right side
    5,072.82x = 21,596,110.92
  5. Step 5: Solve for x
    x = 21,596,110.92/5,072.82
  6. Step 6: Final answer
    x = 4,257.22

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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.