Home / 4,519.11-6,781.55-1,922.05

Finding the Fourth Proportional to 4,519.11, 6,781.55 and 1,922.05

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Solution

The fourth proportional to 4,519.11, 6,781.55 and 1,922.05 is: 2,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.11 : 6,781.55 = 1,922.05 : x
  2. Step 2: Convert to fraction form
    4,519.11/6,781.55 = 1,922.05/x
  3. Step 3: Cross multiply
    4,519.11x = 6,781.55 × 1,922.05
  4. Step 4: Simplify right side
    4,519.11x = 13,034,478.18
  5. Step 5: Solve for x
    x = 13,034,478.18/4,519.11
  6. Step 6: Final answer
    x = 2,884.30

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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.