Home / 7,727.50-11,584.42-3,342.57

Finding the Fourth Proportional to 7,727.50, 11,584.42 and 3,342.57

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Solution

The fourth proportional to 7,727.50, 11,584.42 and 3,342.57 is: 5,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.50 : 11,584.42 = 3,342.57 : x
  2. Step 2: Convert to fraction form
    7,727.50/11,584.42 = 3,342.57/x
  3. Step 3: Cross multiply
    7,727.50x = 11,584.42 × 3,342.57
  4. Step 4: Simplify right side
    7,727.50x = 38,721,682.96
  5. Step 5: Solve for x
    x = 38,721,682.96/7,727.50
  6. Step 6: Final answer
    x = 5,010.89

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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.