Home / 7,452.66-11,179.51-2,520.64

Finding the Fourth Proportional to 7,452.66, 11,179.51 and 2,520.64

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Solution

The fourth proportional to 7,452.66, 11,179.51 and 2,520.64 is: 3,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.66 : 11,179.51 = 2,520.64 : x
  2. Step 2: Convert to fraction form
    7,452.66/11,179.51 = 2,520.64/x
  3. Step 3: Cross multiply
    7,452.66x = 11,179.51 × 2,520.64
  4. Step 4: Simplify right side
    7,452.66x = 28,179,479.05
  5. Step 5: Solve for x
    x = 28,179,479.05/7,452.66
  6. Step 6: Final answer
    x = 3,781.13

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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.