Home / 4,145.26-5,720.39-2,282.26

Finding the Fourth Proportional to 4,145.26, 5,720.39 and 2,282.26

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Solution

The fourth proportional to 4,145.26, 5,720.39 and 2,282.26 is: 3,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.26 : 5,720.39 = 2,282.26 : x
  2. Step 2: Convert to fraction form
    4,145.26/5,720.39 = 2,282.26/x
  3. Step 3: Cross multiply
    4,145.26x = 5,720.39 × 2,282.26
  4. Step 4: Simplify right side
    4,145.26x = 13,055,388.68
  5. Step 5: Solve for x
    x = 13,055,388.68/4,145.26
  6. Step 6: Final answer
    x = 3,149.48

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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.