Home / 6,972.67-10,456.78-2,291.60

Finding the Fourth Proportional to 6,972.67, 10,456.78 and 2,291.60

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Solution

The fourth proportional to 6,972.67, 10,456.78 and 2,291.60 is: 3,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.67 : 10,456.78 = 2,291.60 : x
  2. Step 2: Convert to fraction form
    6,972.67/10,456.78 = 2,291.60/x
  3. Step 3: Cross multiply
    6,972.67x = 10,456.78 × 2,291.60
  4. Step 4: Simplify right side
    6,972.67x = 23,962,757.05
  5. Step 5: Solve for x
    x = 23,962,757.05/6,972.67
  6. Step 6: Final answer
    x = 3,436.67

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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.