Home / 3,176.48-4,767.70-1,716.78

Finding the Fourth Proportional to 3,176.48, 4,767.70 and 1,716.78

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Solution

The fourth proportional to 3,176.48, 4,767.70 and 1,716.78 is: 2,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.48 : 4,767.70 = 1,716.78 : x
  2. Step 2: Convert to fraction form
    3,176.48/4,767.70 = 1,716.78/x
  3. Step 3: Cross multiply
    3,176.48x = 4,767.70 × 1,716.78
  4. Step 4: Simplify right side
    3,176.48x = 8,185,092.01
  5. Step 5: Solve for x
    x = 8,185,092.01/3,176.48
  6. Step 6: Final answer
    x = 2,576.78

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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.