Home / 3,203.29-4,420.05-1,805.77

Finding the Fourth Proportional to 3,203.29, 4,420.05 and 1,805.77

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Solution

The fourth proportional to 3,203.29, 4,420.05 and 1,805.77 is: 2,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.29 : 4,420.05 = 1,805.77 : x
  2. Step 2: Convert to fraction form
    3,203.29/4,420.05 = 1,805.77/x
  3. Step 3: Cross multiply
    3,203.29x = 4,420.05 × 1,805.77
  4. Step 4: Simplify right side
    3,203.29x = 7,981,593.69
  5. Step 5: Solve for x
    x = 7,981,593.69/3,203.29
  6. Step 6: Final answer
    x = 2,491.69

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1.5x scale

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.