Home / 2,293.22-3,164.66-1,245.29

Finding the Fourth Proportional to 2,293.22, 3,164.66 and 1,245.29

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Solution

The fourth proportional to 2,293.22, 3,164.66 and 1,245.29 is: 1,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.22 : 3,164.66 = 1,245.29 : x
  2. Step 2: Convert to fraction form
    2,293.22/3,164.66 = 1,245.29/x
  3. Step 3: Cross multiply
    2,293.22x = 3,164.66 × 1,245.29
  4. Step 4: Simplify right side
    2,293.22x = 3,940,906.74
  5. Step 5: Solve for x
    x = 3,940,906.74/2,293.22
  6. Step 6: Final answer
    x = 1,718.50

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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.