Home / 3,519.12-4,845.66-3,074.44

Finding the Fourth Proportional to 3,519.12, 4,845.66 and 3,074.44

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Solution

The fourth proportional to 3,519.12, 4,845.66 and 3,074.44 is: 4,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.12 : 4,845.66 = 3,074.44 : x
  2. Step 2: Convert to fraction form
    3,519.12/4,845.66 = 3,074.44/x
  3. Step 3: Cross multiply
    3,519.12x = 4,845.66 × 3,074.44
  4. Step 4: Simplify right side
    3,519.12x = 14,897,690.93
  5. Step 5: Solve for x
    x = 14,897,690.93/3,519.12
  6. Step 6: Final answer
    x = 4,233.36

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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.