Home / 3,456.71-5,186.36-2,071.04

Finding the Fourth Proportional to 3,456.71, 5,186.36 and 2,071.04

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Solution

The fourth proportional to 3,456.71, 5,186.36 and 2,071.04 is: 3,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.71 : 5,186.36 = 2,071.04 : x
  2. Step 2: Convert to fraction form
    3,456.71/5,186.36 = 2,071.04/x
  3. Step 3: Cross multiply
    3,456.71x = 5,186.36 × 2,071.04
  4. Step 4: Simplify right side
    3,456.71x = 10,741,138.26
  5. Step 5: Solve for x
    x = 10,741,138.26/3,456.71
  6. Step 6: Final answer
    x = 3,107.33

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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.