Home / 3,684.28-5,082.60-2,191.36

Finding the Fourth Proportional to 3,684.28, 5,082.60 and 2,191.36

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Solution

The fourth proportional to 3,684.28, 5,082.60 and 2,191.36 is: 3,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.28 : 5,082.60 = 2,191.36 : x
  2. Step 2: Convert to fraction form
    3,684.28/5,082.60 = 2,191.36/x
  3. Step 3: Cross multiply
    3,684.28x = 5,082.60 × 2,191.36
  4. Step 4: Simplify right side
    3,684.28x = 11,137,806.34
  5. Step 5: Solve for x
    x = 11,137,806.34/3,684.28
  6. Step 6: Final answer
    x = 3,023.06

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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.