Home / 6,221.56-8,585.49-3,567.12

Finding the Fourth Proportional to 6,221.56, 8,585.49 and 3,567.12

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Solution

The fourth proportional to 6,221.56, 8,585.49 and 3,567.12 is: 4,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.56 : 8,585.49 = 3,567.12 : x
  2. Step 2: Convert to fraction form
    6,221.56/8,585.49 = 3,567.12/x
  3. Step 3: Cross multiply
    6,221.56x = 8,585.49 × 3,567.12
  4. Step 4: Simplify right side
    6,221.56x = 30,625,473.09
  5. Step 5: Solve for x
    x = 30,625,473.09/6,221.56
  6. Step 6: Final answer
    x = 4,922.47

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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.