Home / 5,157.46-7,739.16-2,236.06

Finding the Fourth Proportional to 5,157.46, 7,739.16 and 2,236.06

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Solution

The fourth proportional to 5,157.46, 7,739.16 and 2,236.06 is: 3,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.46 : 7,739.16 = 2,236.06 : x
  2. Step 2: Convert to fraction form
    5,157.46/7,739.16 = 2,236.06/x
  3. Step 3: Cross multiply
    5,157.46x = 7,739.16 × 2,236.06
  4. Step 4: Simplify right side
    5,157.46x = 17,305,226.11
  5. Step 5: Solve for x
    x = 17,305,226.11/5,157.46
  6. Step 6: Final answer
    x = 3,355.38

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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.