Home / 6,221.24-8,585.14-3,426.68

Finding the Fourth Proportional to 6,221.24, 8,585.14 and 3,426.68

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Solution

The fourth proportional to 6,221.24, 8,585.14 and 3,426.68 is: 4,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.24 : 8,585.14 = 3,426.68 : x
  2. Step 2: Convert to fraction form
    6,221.24/8,585.14 = 3,426.68/x
  3. Step 3: Cross multiply
    6,221.24x = 8,585.14 × 3,426.68
  4. Step 4: Simplify right side
    6,221.24x = 29,418,527.54
  5. Step 5: Solve for x
    x = 29,418,527.54/6,221.24
  6. Step 6: Final answer
    x = 4,728.72

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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.