Home / 7,074.45-10,613.22-2,144.48

Finding the Fourth Proportional to 7,074.45, 10,613.22 and 2,144.48

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Solution

The fourth proportional to 7,074.45, 10,613.22 and 2,144.48 is: 3,217.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.45 : 10,613.22 = 2,144.48 : x
  2. Step 2: Convert to fraction form
    7,074.45/10,613.22 = 2,144.48/x
  3. Step 3: Cross multiply
    7,074.45x = 10,613.22 × 2,144.48
  4. Step 4: Simplify right side
    7,074.45x = 22,759,784.96
  5. Step 5: Solve for x
    x = 22,759,784.96/7,074.45
  6. Step 6: Final answer
    x = 3,217.18

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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.