Home / 4,747.25-7,121.68-1,460.27

Finding the Fourth Proportional to 4,747.25, 7,121.68 and 1,460.27

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Solution

The fourth proportional to 4,747.25, 7,121.68 and 1,460.27 is: 2,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.25 : 7,121.68 = 1,460.27 : x
  2. Step 2: Convert to fraction form
    4,747.25/7,121.68 = 1,460.27/x
  3. Step 3: Cross multiply
    4,747.25x = 7,121.68 × 1,460.27
  4. Step 4: Simplify right side
    4,747.25x = 10,399,532.74
  5. Step 5: Solve for x
    x = 10,399,532.74/4,747.25
  6. Step 6: Final answer
    x = 2,190.65

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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.