Home / 2,836.36-3,913.06-2,092.11

Finding the Fourth Proportional to 2,836.36, 3,913.06 and 2,092.11

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Solution

The fourth proportional to 2,836.36, 3,913.06 and 2,092.11 is: 2,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.36 : 3,913.06 = 2,092.11 : x
  2. Step 2: Convert to fraction form
    2,836.36/3,913.06 = 2,092.11/x
  3. Step 3: Cross multiply
    2,836.36x = 3,913.06 × 2,092.11
  4. Step 4: Simplify right side
    2,836.36x = 8,186,551.96
  5. Step 5: Solve for x
    x = 8,186,551.96/2,836.36
  6. Step 6: Final answer
    x = 2,886.29

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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.