Home / 4,808.92-7,215-2,343.28

Finding the Fourth Proportional to 4,808.92, 7,215 and 2,343.28

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Solution

The fourth proportional to 4,808.92, 7,215 and 2,343.28 is: 3,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.92 : 7,215 = 2,343.28 : x
  2. Step 2: Convert to fraction form
    4,808.92/7,215 = 2,343.28/x
  3. Step 3: Cross multiply
    4,808.92x = 7,215 × 2,343.28
  4. Step 4: Simplify right side
    4,808.92x = 16,906,765.20
  5. Step 5: Solve for x
    x = 16,906,765.20/4,808.92
  6. Step 6: Final answer
    x = 3,515.71

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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.