Home / 4,067.61-5,613.21-2,275.08

Finding the Fourth Proportional to 4,067.61, 5,613.21 and 2,275.08

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Solution

The fourth proportional to 4,067.61, 5,613.21 and 2,275.08 is: 3,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.61 : 5,613.21 = 2,275.08 : x
  2. Step 2: Convert to fraction form
    4,067.61/5,613.21 = 2,275.08/x
  3. Step 3: Cross multiply
    4,067.61x = 5,613.21 × 2,275.08
  4. Step 4: Simplify right side
    4,067.61x = 12,770,501.81
  5. Step 5: Solve for x
    x = 12,770,501.81/4,067.61
  6. Step 6: Final answer
    x = 3,139.56

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Half scale
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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.