Home / 7,724.82-11,580.36-2,793.36

Finding the Fourth Proportional to 7,724.82, 11,580.36 and 2,793.36

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Solution

The fourth proportional to 7,724.82, 11,580.36 and 2,793.36 is: 4,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.82 : 11,580.36 = 2,793.36 : x
  2. Step 2: Convert to fraction form
    7,724.82/11,580.36 = 2,793.36/x
  3. Step 3: Cross multiply
    7,724.82x = 11,580.36 × 2,793.36
  4. Step 4: Simplify right side
    7,724.82x = 32,348,114.41
  5. Step 5: Solve for x
    x = 32,348,114.41/7,724.82
  6. Step 6: Final answer
    x = 4,187.56

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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.