Home / 7,586.67-11,377.78-2,655.39

Finding the Fourth Proportional to 7,586.67, 11,377.78 and 2,655.39

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Solution

The fourth proportional to 7,586.67, 11,377.78 and 2,655.39 is: 3,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.67 : 11,377.78 = 2,655.39 : x
  2. Step 2: Convert to fraction form
    7,586.67/11,377.78 = 2,655.39/x
  3. Step 3: Cross multiply
    7,586.67x = 11,377.78 × 2,655.39
  4. Step 4: Simplify right side
    7,586.67x = 30,212,436.60
  5. Step 5: Solve for x
    x = 30,212,436.60/7,586.67
  6. Step 6: Final answer
    x = 3,982.31

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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.