Home / 5,313.75-7,982.37-3,467.76

Finding the Fourth Proportional to 5,313.75, 7,982.37 and 3,467.76

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Solution

The fourth proportional to 5,313.75, 7,982.37 and 3,467.76 is: 5,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.75 : 7,982.37 = 3,467.76 : x
  2. Step 2: Convert to fraction form
    5,313.75/7,982.37 = 3,467.76/x
  3. Step 3: Cross multiply
    5,313.75x = 7,982.37 × 3,467.76
  4. Step 4: Simplify right side
    5,313.75x = 27,680,943.39
  5. Step 5: Solve for x
    x = 27,680,943.39/5,313.75
  6. Step 6: Final answer
    x = 5,209.30

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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.