Home / 3,696.98-5,102.71-2,125.99

Finding the Fourth Proportional to 3,696.98, 5,102.71 and 2,125.99

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Solution

The fourth proportional to 3,696.98, 5,102.71 and 2,125.99 is: 2,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.98 : 5,102.71 = 2,125.99 : x
  2. Step 2: Convert to fraction form
    3,696.98/5,102.71 = 2,125.99/x
  3. Step 3: Cross multiply
    3,696.98x = 5,102.71 × 2,125.99
  4. Step 4: Simplify right side
    3,696.98x = 10,848,310.43
  5. Step 5: Solve for x
    x = 10,848,310.43/3,696.98
  6. Step 6: Final answer
    x = 2,934.37

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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.