Home / 5,074.42-7,610.99-2,153.43

Finding the Fourth Proportional to 5,074.42, 7,610.99 and 2,153.43

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Solution

The fourth proportional to 5,074.42, 7,610.99 and 2,153.43 is: 3,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.42 : 7,610.99 = 2,153.43 : x
  2. Step 2: Convert to fraction form
    5,074.42/7,610.99 = 2,153.43/x
  3. Step 3: Cross multiply
    5,074.42x = 7,610.99 × 2,153.43
  4. Step 4: Simplify right side
    5,074.42x = 16,389,734.20
  5. Step 5: Solve for x
    x = 16,389,734.20/5,074.42
  6. Step 6: Final answer
    x = 3,229.87

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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.