Home / 2,321.16-3,203.20-1,273.22

Finding the Fourth Proportional to 2,321.16, 3,203.20 and 1,273.22

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Solution

The fourth proportional to 2,321.16, 3,203.20 and 1,273.22 is: 1,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.16 : 3,203.20 = 1,273.22 : x
  2. Step 2: Convert to fraction form
    2,321.16/3,203.20 = 1,273.22/x
  3. Step 3: Cross multiply
    2,321.16x = 3,203.20 × 1,273.22
  4. Step 4: Simplify right side
    2,321.16x = 4,078,368.73
  5. Step 5: Solve for x
    x = 4,078,368.73/2,321.16
  6. Step 6: Final answer
    x = 1,757.04

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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.