Home / 3,169.91-4,374.47-1,772.66

Finding the Fourth Proportional to 3,169.91, 4,374.47 and 1,772.66

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Solution

The fourth proportional to 3,169.91, 4,374.47 and 1,772.66 is: 2,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.91 : 4,374.47 = 1,772.66 : x
  2. Step 2: Convert to fraction form
    3,169.91/4,374.47 = 1,772.66/x
  3. Step 3: Cross multiply
    3,169.91x = 4,374.47 × 1,772.66
  4. Step 4: Simplify right side
    3,169.91x = 7,754,447.99
  5. Step 5: Solve for x
    x = 7,754,447.99/3,169.91
  6. Step 6: Final answer
    x = 2,446.27

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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.