Home / 2,996.09-4,135.15-2,286.83

Finding the Fourth Proportional to 2,996.09, 4,135.15 and 2,286.83

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Solution

The fourth proportional to 2,996.09, 4,135.15 and 2,286.83 is: 3,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.09 : 4,135.15 = 2,286.83 : x
  2. Step 2: Convert to fraction form
    2,996.09/4,135.15 = 2,286.83/x
  3. Step 3: Cross multiply
    2,996.09x = 4,135.15 × 2,286.83
  4. Step 4: Simplify right side
    2,996.09x = 9,456,398.27
  5. Step 5: Solve for x
    x = 9,456,398.27/2,996.09
  6. Step 6: Final answer
    x = 3,156.25

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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.