Home / 6,241.42-8,613.66-3,724.30

Finding the Fourth Proportional to 6,241.42, 8,613.66 and 3,724.30

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Solution

The fourth proportional to 6,241.42, 8,613.66 and 3,724.30 is: 5,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.42 : 8,613.66 = 3,724.30 : x
  2. Step 2: Convert to fraction form
    6,241.42/8,613.66 = 3,724.30/x
  3. Step 3: Cross multiply
    6,241.42x = 8,613.66 × 3,724.30
  4. Step 4: Simplify right side
    6,241.42x = 32,079,853.94
  5. Step 5: Solve for x
    x = 32,079,853.94/6,241.42
  6. Step 6: Final answer
    x = 5,139.83

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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.