Home / 2,321.87-3,204.23-1,326.96

Finding the Fourth Proportional to 2,321.87, 3,204.23 and 1,326.96

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Solution

The fourth proportional to 2,321.87, 3,204.23 and 1,326.96 is: 1,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.87 : 3,204.23 = 1,326.96 : x
  2. Step 2: Convert to fraction form
    2,321.87/3,204.23 = 1,326.96/x
  3. Step 3: Cross multiply
    2,321.87x = 3,204.23 × 1,326.96
  4. Step 4: Simplify right side
    2,321.87x = 4,251,878.41
  5. Step 5: Solve for x
    x = 4,251,878.41/2,321.87
  6. Step 6: Final answer
    x = 1,831.23

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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.