Home / 4,101.91-5,662.01-2,668.21

Finding the Fourth Proportional to 4,101.91, 5,662.01 and 2,668.21

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Solution

The fourth proportional to 4,101.91, 5,662.01 and 2,668.21 is: 3,683.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.91 : 5,662.01 = 2,668.21 : x
  2. Step 2: Convert to fraction form
    4,101.91/5,662.01 = 2,668.21/x
  3. Step 3: Cross multiply
    4,101.91x = 5,662.01 × 2,668.21
  4. Step 4: Simplify right side
    4,101.91x = 15,107,424.22
  5. Step 5: Solve for x
    x = 15,107,424.22/4,101.91
  6. Step 6: Final answer
    x = 3,683.02

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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.