Home / 3,806.57-5,253.04-2,127.97

Finding the Fourth Proportional to 3,806.57, 5,253.04 and 2,127.97

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Solution

The fourth proportional to 3,806.57, 5,253.04 and 2,127.97 is: 2,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.57 : 5,253.04 = 2,127.97 : x
  2. Step 2: Convert to fraction form
    3,806.57/5,253.04 = 2,127.97/x
  3. Step 3: Cross multiply
    3,806.57x = 5,253.04 × 2,127.97
  4. Step 4: Simplify right side
    3,806.57x = 11,178,303.72
  5. Step 5: Solve for x
    x = 11,178,303.72/3,806.57
  6. Step 6: Final answer
    x = 2,936.59

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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.