Home / 5,151.45-7,725.01-2,227.67

Finding the Fourth Proportional to 5,151.45, 7,725.01 and 2,227.67

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Solution

The fourth proportional to 5,151.45, 7,725.01 and 2,227.67 is: 3,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.45 : 7,725.01 = 2,227.67 : x
  2. Step 2: Convert to fraction form
    5,151.45/7,725.01 = 2,227.67/x
  3. Step 3: Cross multiply
    5,151.45x = 7,725.01 × 2,227.67
  4. Step 4: Simplify right side
    5,151.45x = 17,208,773.03
  5. Step 5: Solve for x
    x = 17,208,773.03/5,151.45
  6. Step 6: Final answer
    x = 3,340.57

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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.