Home / 2,292.01-3,171.30-1,997.89

Finding the Fourth Proportional to 2,292.01, 3,171.30 and 1,997.89

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Solution

The fourth proportional to 2,292.01, 3,171.30 and 1,997.89 is: 2,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.01 : 3,171.30 = 1,997.89 : x
  2. Step 2: Convert to fraction form
    2,292.01/3,171.30 = 1,997.89/x
  3. Step 3: Cross multiply
    2,292.01x = 3,171.30 × 1,997.89
  4. Step 4: Simplify right side
    2,292.01x = 6,335,892.70
  5. Step 5: Solve for x
    x = 6,335,892.70/2,292.01
  6. Step 6: Final answer
    x = 2,764.35

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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.