Home / 7,107.28-10,662.48-2,177.29

Finding the Fourth Proportional to 7,107.28, 10,662.48 and 2,177.29

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Solution

The fourth proportional to 7,107.28, 10,662.48 and 2,177.29 is: 3,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.28 : 10,662.48 = 2,177.29 : x
  2. Step 2: Convert to fraction form
    7,107.28/10,662.48 = 2,177.29/x
  3. Step 3: Cross multiply
    7,107.28x = 10,662.48 × 2,177.29
  4. Step 4: Simplify right side
    7,107.28x = 23,215,311.08
  5. Step 5: Solve for x
    x = 23,215,311.08/7,107.28
  6. Step 6: Final answer
    x = 3,266.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.