Home / 2,171.03-2,996.33-1,227.11

Finding the Fourth Proportional to 2,171.03, 2,996.33 and 1,227.11

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Solution

The fourth proportional to 2,171.03, 2,996.33 and 1,227.11 is: 1,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.03 : 2,996.33 = 1,227.11 : x
  2. Step 2: Convert to fraction form
    2,171.03/2,996.33 = 1,227.11/x
  3. Step 3: Cross multiply
    2,171.03x = 2,996.33 × 1,227.11
  4. Step 4: Simplify right side
    2,171.03x = 3,676,805.39
  5. Step 5: Solve for x
    x = 3,676,805.39/2,171.03
  6. Step 6: Final answer
    x = 1,693.58

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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.