Home / 3,673.79-5,067.51-2,180.65

Finding the Fourth Proportional to 3,673.79, 5,067.51 and 2,180.65

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Solution

The fourth proportional to 3,673.79, 5,067.51 and 2,180.65 is: 3,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.79 : 5,067.51 = 2,180.65 : x
  2. Step 2: Convert to fraction form
    3,673.79/5,067.51 = 2,180.65/x
  3. Step 3: Cross multiply
    3,673.79x = 5,067.51 × 2,180.65
  4. Step 4: Simplify right side
    3,673.79x = 11,050,465.68
  5. Step 5: Solve for x
    x = 11,050,465.68/3,673.79
  6. Step 6: Final answer
    x = 3,007.92

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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.