Home / 2,326.26-3,206.40-1,619.12

Finding the Fourth Proportional to 2,326.26, 3,206.40 and 1,619.12

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Solution

The fourth proportional to 2,326.26, 3,206.40 and 1,619.12 is: 2,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.26 : 3,206.40 = 1,619.12 : x
  2. Step 2: Convert to fraction form
    2,326.26/3,206.40 = 1,619.12/x
  3. Step 3: Cross multiply
    2,326.26x = 3,206.40 × 1,619.12
  4. Step 4: Simplify right side
    2,326.26x = 5,191,546.37
  5. Step 5: Solve for x
    x = 5,191,546.37/2,326.26
  6. Step 6: Final answer
    x = 2,231.71

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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.