Home / 3,994.74-5,512.55-2,226.02

Finding the Fourth Proportional to 3,994.74, 5,512.55 and 2,226.02

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Solution

The fourth proportional to 3,994.74, 5,512.55 and 2,226.02 is: 3,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.74 : 5,512.55 = 2,226.02 : x
  2. Step 2: Convert to fraction form
    3,994.74/5,512.55 = 2,226.02/x
  3. Step 3: Cross multiply
    3,994.74x = 5,512.55 × 2,226.02
  4. Step 4: Simplify right side
    3,994.74x = 12,271,007.86
  5. Step 5: Solve for x
    x = 12,271,007.86/3,994.74
  6. Step 6: Final answer
    x = 3,071.79

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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.