Home / 3,992.11-5,985.40-1,769.73

Finding the Fourth Proportional to 3,992.11, 5,985.40 and 1,769.73

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Solution

The fourth proportional to 3,992.11, 5,985.40 and 1,769.73 is: 2,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.11 : 5,985.40 = 1,769.73 : x
  2. Step 2: Convert to fraction form
    3,992.11/5,985.40 = 1,769.73/x
  3. Step 3: Cross multiply
    3,992.11x = 5,985.40 × 1,769.73
  4. Step 4: Simplify right side
    3,992.11x = 10,592,531.40
  5. Step 5: Solve for x
    x = 10,592,531.40/3,992.11
  6. Step 6: Final answer
    x = 2,653.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.