Home / 3,003.91-4,145.09-1,727.75

Finding the Fourth Proportional to 3,003.91, 4,145.09 and 1,727.75

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Solution

The fourth proportional to 3,003.91, 4,145.09 and 1,727.75 is: 2,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.91 : 4,145.09 = 1,727.75 : x
  2. Step 2: Convert to fraction form
    3,003.91/4,145.09 = 1,727.75/x
  3. Step 3: Cross multiply
    3,003.91x = 4,145.09 × 1,727.75
  4. Step 4: Simplify right side
    3,003.91x = 7,161,679.03
  5. Step 5: Solve for x
    x = 7,161,679.03/3,003.91
  6. Step 6: Final answer
    x = 2,384.12

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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.