Home / 5,074.25-7,609.55-2,151.56

Finding the Fourth Proportional to 5,074.25, 7,609.55 and 2,151.56

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Solution

The fourth proportional to 5,074.25, 7,609.55 and 2,151.56 is: 3,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.25 : 7,609.55 = 2,151.56 : x
  2. Step 2: Convert to fraction form
    5,074.25/7,609.55 = 2,151.56/x
  3. Step 3: Cross multiply
    5,074.25x = 7,609.55 × 2,151.56
  4. Step 4: Simplify right side
    5,074.25x = 16,372,411.66
  5. Step 5: Solve for x
    x = 16,372,411.66/5,074.25
  6. Step 6: Final answer
    x = 3,226.57

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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.