Home / 2,936.97-4,042.85-2,538.45

Finding the Fourth Proportional to 2,936.97, 4,042.85 and 2,538.45

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Solution

The fourth proportional to 2,936.97, 4,042.85 and 2,538.45 is: 3,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.97 : 4,042.85 = 2,538.45 : x
  2. Step 2: Convert to fraction form
    2,936.97/4,042.85 = 2,538.45/x
  3. Step 3: Cross multiply
    2,936.97x = 4,042.85 × 2,538.45
  4. Step 4: Simplify right side
    2,936.97x = 10,262,559.89
  5. Step 5: Solve for x
    x = 10,262,559.89/2,936.97
  6. Step 6: Final answer
    x = 3,494.27

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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.