Home / 7,644.31-11,470.38-3,483.75

Finding the Fourth Proportional to 7,644.31, 11,470.38 and 3,483.75

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Solution

The fourth proportional to 7,644.31, 11,470.38 and 3,483.75 is: 5,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.31 : 11,470.38 = 3,483.75 : x
  2. Step 2: Convert to fraction form
    7,644.31/11,470.38 = 3,483.75/x
  3. Step 3: Cross multiply
    7,644.31x = 11,470.38 × 3,483.75
  4. Step 4: Simplify right side
    7,644.31x = 39,959,936.33
  5. Step 5: Solve for x
    x = 39,959,936.33/7,644.31
  6. Step 6: Final answer
    x = 5,227.41

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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.