Home / 4,919.80-7,374.16-2,452.12

Finding the Fourth Proportional to 4,919.80, 7,374.16 and 2,452.12

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Solution

The fourth proportional to 4,919.80, 7,374.16 and 2,452.12 is: 3,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.80 : 7,374.16 = 2,452.12 : x
  2. Step 2: Convert to fraction form
    4,919.80/7,374.16 = 2,452.12/x
  3. Step 3: Cross multiply
    4,919.80x = 7,374.16 × 2,452.12
  4. Step 4: Simplify right side
    4,919.80x = 18,082,325.22
  5. Step 5: Solve for x
    x = 18,082,325.22/4,919.80
  6. Step 6: Final answer
    x = 3,675.42

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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.