Home / 5,157.96-7,739.91-2,236.56

Finding the Fourth Proportional to 5,157.96, 7,739.91 and 2,236.56

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Solution

The fourth proportional to 5,157.96, 7,739.91 and 2,236.56 is: 3,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.96 : 7,739.91 = 2,236.56 : x
  2. Step 2: Convert to fraction form
    5,157.96/7,739.91 = 2,236.56/x
  3. Step 3: Cross multiply
    5,157.96x = 7,739.91 × 2,236.56
  4. Step 4: Simplify right side
    5,157.96x = 17,310,773.11
  5. Step 5: Solve for x
    x = 17,310,773.11/5,157.96
  6. Step 6: Final answer
    x = 3,356.13

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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.