Home / 5,227.26-7,841.36-1,331.67

Finding the Fourth Proportional to 5,227.26, 7,841.36 and 1,331.67

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Solution

The fourth proportional to 5,227.26, 7,841.36 and 1,331.67 is: 1,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.26 : 7,841.36 = 1,331.67 : x
  2. Step 2: Convert to fraction form
    5,227.26/7,841.36 = 1,331.67/x
  3. Step 3: Cross multiply
    5,227.26x = 7,841.36 × 1,331.67
  4. Step 4: Simplify right side
    5,227.26x = 10,442,097.21
  5. Step 5: Solve for x
    x = 10,442,097.21/5,227.26
  6. Step 6: Final answer
    x = 1,997.62

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1.5x scale

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.