Home / 3,772.14-5,638.38-3,274.58

Finding the Fourth Proportional to 3,772.14, 5,638.38 and 3,274.58

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Solution

The fourth proportional to 3,772.14, 5,638.38 and 3,274.58 is: 4,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.14 : 5,638.38 = 3,274.58 : x
  2. Step 2: Convert to fraction form
    3,772.14/5,638.38 = 3,274.58/x
  3. Step 3: Cross multiply
    3,772.14x = 5,638.38 × 3,274.58
  4. Step 4: Simplify right side
    3,772.14x = 18,463,326.38
  5. Step 5: Solve for x
    x = 18,463,326.38/3,772.14
  6. Step 6: Final answer
    x = 4,894.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.