Home / 5,216.38-7,825.56-2,096.64

Finding the Fourth Proportional to 5,216.38, 7,825.56 and 2,096.64

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Solution

The fourth proportional to 5,216.38, 7,825.56 and 2,096.64 is: 3,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.38 : 7,825.56 = 2,096.64 : x
  2. Step 2: Convert to fraction form
    5,216.38/7,825.56 = 2,096.64/x
  3. Step 3: Cross multiply
    5,216.38x = 7,825.56 × 2,096.64
  4. Step 4: Simplify right side
    5,216.38x = 16,407,374.26
  5. Step 5: Solve for x
    x = 16,407,374.26/5,216.38
  6. Step 6: Final answer
    x = 3,145.36

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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.