Home / 2,190.13-3,022.33-1,195.41

Finding the Fourth Proportional to 2,190.13, 3,022.33 and 1,195.41

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Solution

The fourth proportional to 2,190.13, 3,022.33 and 1,195.41 is: 1,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.13 : 3,022.33 = 1,195.41 : x
  2. Step 2: Convert to fraction form
    2,190.13/3,022.33 = 1,195.41/x
  3. Step 3: Cross multiply
    2,190.13x = 3,022.33 × 1,195.41
  4. Step 4: Simplify right side
    2,190.13x = 3,612,923.51
  5. Step 5: Solve for x
    x = 3,612,923.51/2,190.13
  6. Step 6: Final answer
    x = 1,649.64

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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.