Home / 3,809.26-5,719.17-1,961.69

Finding the Fourth Proportional to 3,809.26, 5,719.17 and 1,961.69

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Solution

The fourth proportional to 3,809.26, 5,719.17 and 1,961.69 is: 2,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.26 : 5,719.17 = 1,961.69 : x
  2. Step 2: Convert to fraction form
    3,809.26/5,719.17 = 1,961.69/x
  3. Step 3: Cross multiply
    3,809.26x = 5,719.17 × 1,961.69
  4. Step 4: Simplify right side
    3,809.26x = 11,219,238.60
  5. Step 5: Solve for x
    x = 11,219,238.60/3,809.26
  6. Step 6: Final answer
    x = 2,945.26

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1.5x scale

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.