Home / 4,160.81-5,742.44-2,668.18

Finding the Fourth Proportional to 4,160.81, 5,742.44 and 2,668.18

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Solution

The fourth proportional to 4,160.81, 5,742.44 and 2,668.18 is: 3,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.81 : 5,742.44 = 2,668.18 : x
  2. Step 2: Convert to fraction form
    4,160.81/5,742.44 = 2,668.18/x
  3. Step 3: Cross multiply
    4,160.81x = 5,742.44 × 2,668.18
  4. Step 4: Simplify right side
    4,160.81x = 15,321,863.56
  5. Step 5: Solve for x
    x = 15,321,863.56/4,160.81
  6. Step 6: Final answer
    x = 3,682.42

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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.