Home / 2,190.26-3,022.48-1,195.52

Finding the Fourth Proportional to 2,190.26, 3,022.48 and 1,195.52

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Solution

The fourth proportional to 2,190.26, 3,022.48 and 1,195.52 is: 1,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.26 : 3,022.48 = 1,195.52 : x
  2. Step 2: Convert to fraction form
    2,190.26/3,022.48 = 1,195.52/x
  3. Step 3: Cross multiply
    2,190.26x = 3,022.48 × 1,195.52
  4. Step 4: Simplify right side
    2,190.26x = 3,613,435.29
  5. Step 5: Solve for x
    x = 3,613,435.29/2,190.26
  6. Step 6: Final answer
    x = 1,649.77

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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.