Home / 2,179.26-3,003.66-1,514.64

Finding the Fourth Proportional to 2,179.26, 3,003.66 and 1,514.64

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Solution

The fourth proportional to 2,179.26, 3,003.66 and 1,514.64 is: 2,087.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.26 : 3,003.66 = 1,514.64 : x
  2. Step 2: Convert to fraction form
    2,179.26/3,003.66 = 1,514.64/x
  3. Step 3: Cross multiply
    2,179.26x = 3,003.66 × 1,514.64
  4. Step 4: Simplify right side
    2,179.26x = 4,549,463.58
  5. Step 5: Solve for x
    x = 4,549,463.58/2,179.26
  6. Step 6: Final answer
    x = 2,087.62

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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.