Home / 3,961.62-5,467.77-2,547.09

Finding the Fourth Proportional to 3,961.62, 5,467.77 and 2,547.09

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Solution

The fourth proportional to 3,961.62, 5,467.77 and 2,547.09 is: 3,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.62 : 5,467.77 = 2,547.09 : x
  2. Step 2: Convert to fraction form
    3,961.62/5,467.77 = 2,547.09/x
  3. Step 3: Cross multiply
    3,961.62x = 5,467.77 × 2,547.09
  4. Step 4: Simplify right side
    3,961.62x = 13,926,902.29
  5. Step 5: Solve for x
    x = 13,926,902.29/3,961.62
  6. Step 6: Final answer
    x = 3,515.46

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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.