Home / 5,270.78-7,273.73-2,913.07

Finding the Fourth Proportional to 5,270.78, 7,273.73 and 2,913.07

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Solution

The fourth proportional to 5,270.78, 7,273.73 and 2,913.07 is: 4,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.78 : 7,273.73 = 2,913.07 : x
  2. Step 2: Convert to fraction form
    5,270.78/7,273.73 = 2,913.07/x
  3. Step 3: Cross multiply
    5,270.78x = 7,273.73 × 2,913.07
  4. Step 4: Simplify right side
    5,270.78x = 21,188,884.65
  5. Step 5: Solve for x
    x = 21,188,884.65/5,270.78
  6. Step 6: Final answer
    x = 4,020.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.