Home / 3,196.67-4,412.27-2,781.14

Finding the Fourth Proportional to 3,196.67, 4,412.27 and 2,781.14

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Solution

The fourth proportional to 3,196.67, 4,412.27 and 2,781.14 is: 3,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.67 : 4,412.27 = 2,781.14 : x
  2. Step 2: Convert to fraction form
    3,196.67/4,412.27 = 2,781.14/x
  3. Step 3: Cross multiply
    3,196.67x = 4,412.27 × 2,781.14
  4. Step 4: Simplify right side
    3,196.67x = 12,271,125.48
  5. Step 5: Solve for x
    x = 12,271,125.48/3,196.67
  6. Step 6: Final answer
    x = 3,838.73

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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.