Home / 6,221.12-8,581.87-3,701.44

Finding the Fourth Proportional to 6,221.12, 8,581.87 and 3,701.44

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Solution

The fourth proportional to 6,221.12, 8,581.87 and 3,701.44 is: 5,106.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.12 : 8,581.87 = 3,701.44 : x
  2. Step 2: Convert to fraction form
    6,221.12/8,581.87 = 3,701.44/x
  3. Step 3: Cross multiply
    6,221.12x = 8,581.87 × 3,701.44
  4. Step 4: Simplify right side
    6,221.12x = 31,765,233.98
  5. Step 5: Solve for x
    x = 31,765,233.98/6,221.12
  6. Step 6: Final answer
    x = 5,106.04

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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.