Home / 5,165.26-7,127.58-2,896.54

Finding the Fourth Proportional to 5,165.26, 7,127.58 and 2,896.54

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Solution

The fourth proportional to 5,165.26, 7,127.58 and 2,896.54 is: 3,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.26 : 7,127.58 = 2,896.54 : x
  2. Step 2: Convert to fraction form
    5,165.26/7,127.58 = 2,896.54/x
  3. Step 3: Cross multiply
    5,165.26x = 7,127.58 × 2,896.54
  4. Step 4: Simplify right side
    5,165.26x = 20,645,320.57
  5. Step 5: Solve for x
    x = 20,645,320.57/5,165.26
  6. Step 6: Final answer
    x = 3,996.96

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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.