Home / 5,272.70-7,276.51-3,481.75

Finding the Fourth Proportional to 5,272.70, 7,276.51 and 3,481.75

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Solution

The fourth proportional to 5,272.70, 7,276.51 and 3,481.75 is: 4,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.70 : 7,276.51 = 3,481.75 : x
  2. Step 2: Convert to fraction form
    5,272.70/7,276.51 = 3,481.75/x
  3. Step 3: Cross multiply
    5,272.70x = 7,276.51 × 3,481.75
  4. Step 4: Simplify right side
    5,272.70x = 25,334,988.69
  5. Step 5: Solve for x
    x = 25,334,988.69/5,272.70
  6. Step 6: Final answer
    x = 4,804.94

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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.