Home / 3,035.66-4,189.42-1,691.37

Finding the Fourth Proportional to 3,035.66, 4,189.42 and 1,691.37

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Solution

The fourth proportional to 3,035.66, 4,189.42 and 1,691.37 is: 2,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.66 : 4,189.42 = 1,691.37 : x
  2. Step 2: Convert to fraction form
    3,035.66/4,189.42 = 1,691.37/x
  3. Step 3: Cross multiply
    3,035.66x = 4,189.42 × 1,691.37
  4. Step 4: Simplify right side
    3,035.66x = 7,085,859.31
  5. Step 5: Solve for x
    x = 7,085,859.31/3,035.66
  6. Step 6: Final answer
    x = 2,334.21

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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.