Home / 3,066.12-4,229.74-2,003.40

Finding the Fourth Proportional to 3,066.12, 4,229.74 and 2,003.40

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Solution

The fourth proportional to 3,066.12, 4,229.74 and 2,003.40 is: 2,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.12 : 4,229.74 = 2,003.40 : x
  2. Step 2: Convert to fraction form
    3,066.12/4,229.74 = 2,003.40/x
  3. Step 3: Cross multiply
    3,066.12x = 4,229.74 × 2,003.40
  4. Step 4: Simplify right side
    3,066.12x = 8,473,861.12
  5. Step 5: Solve for x
    x = 8,473,861.12/3,066.12
  6. Step 6: Final answer
    x = 2,763.71

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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.