Home / 3,092.12-4,638.39-1,243.23

Finding the Fourth Proportional to 3,092.12, 4,638.39 and 1,243.23

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Solution

The fourth proportional to 3,092.12, 4,638.39 and 1,243.23 is: 1,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.12 : 4,638.39 = 1,243.23 : x
  2. Step 2: Convert to fraction form
    3,092.12/4,638.39 = 1,243.23/x
  3. Step 3: Cross multiply
    3,092.12x = 4,638.39 × 1,243.23
  4. Step 4: Simplify right side
    3,092.12x = 5,766,579.38
  5. Step 5: Solve for x
    x = 5,766,579.38/3,092.12
  6. Step 6: Final answer
    x = 1,864.93

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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.