Home / 4,067.92-5,613.61-2,389.30

Finding the Fourth Proportional to 4,067.92, 5,613.61 and 2,389.30

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Solution

The fourth proportional to 4,067.92, 5,613.61 and 2,389.30 is: 3,297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.92 : 5,613.61 = 2,389.30 : x
  2. Step 2: Convert to fraction form
    4,067.92/5,613.61 = 2,389.30/x
  3. Step 3: Cross multiply
    4,067.92x = 5,613.61 × 2,389.30
  4. Step 4: Simplify right side
    4,067.92x = 13,412,598.37
  5. Step 5: Solve for x
    x = 13,412,598.37/4,067.92
  6. Step 6: Final answer
    x = 3,297.16

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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.