Home / 7,286.56-10,927.80-2,091.04

Finding the Fourth Proportional to 7,286.56, 10,927.80 and 2,091.04

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Solution

The fourth proportional to 7,286.56, 10,927.80 and 2,091.04 is: 3,135.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.56 : 10,927.80 = 2,091.04 : x
  2. Step 2: Convert to fraction form
    7,286.56/10,927.80 = 2,091.04/x
  3. Step 3: Cross multiply
    7,286.56x = 10,927.80 × 2,091.04
  4. Step 4: Simplify right side
    7,286.56x = 22,850,466.91
  5. Step 5: Solve for x
    x = 22,850,466.91/7,286.56
  6. Step 6: Final answer
    x = 3,135.97

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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.