Home / 4,769.31-7,158.96-2,579.61

Finding the Fourth Proportional to 4,769.31, 7,158.96 and 2,579.61

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Solution

The fourth proportional to 4,769.31, 7,158.96 and 2,579.61 is: 3,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.31 : 7,158.96 = 2,579.61 : x
  2. Step 2: Convert to fraction form
    4,769.31/7,158.96 = 2,579.61/x
  3. Step 3: Cross multiply
    4,769.31x = 7,158.96 × 2,579.61
  4. Step 4: Simplify right side
    4,769.31x = 18,467,324.81
  5. Step 5: Solve for x
    x = 18,467,324.81/4,769.31
  6. Step 6: Final answer
    x = 3,872.12

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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.