Home / 5,221.41-7,836.01-2,101.44

Finding the Fourth Proportional to 5,221.41, 7,836.01 and 2,101.44

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Solution

The fourth proportional to 5,221.41, 7,836.01 and 2,101.44 is: 3,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.41 : 7,836.01 = 2,101.44 : x
  2. Step 2: Convert to fraction form
    5,221.41/7,836.01 = 2,101.44/x
  3. Step 3: Cross multiply
    5,221.41x = 7,836.01 × 2,101.44
  4. Step 4: Simplify right side
    5,221.41x = 16,466,932.93
  5. Step 5: Solve for x
    x = 16,466,932.93/5,221.41
  6. Step 6: Final answer
    x = 3,153.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.