Home / 5,175.05-7,141.82-2,936.88

Finding the Fourth Proportional to 5,175.05, 7,141.82 and 2,936.88

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Solution

The fourth proportional to 5,175.05, 7,141.82 and 2,936.88 is: 4,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.05 : 7,141.82 = 2,936.88 : x
  2. Step 2: Convert to fraction form
    5,175.05/7,141.82 = 2,936.88/x
  3. Step 3: Cross multiply
    5,175.05x = 7,141.82 × 2,936.88
  4. Step 4: Simplify right side
    5,175.05x = 20,974,653.64
  5. Step 5: Solve for x
    x = 20,974,653.64/5,175.05
  6. Step 6: Final answer
    x = 4,053.04

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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.