Home / 5,163.16-7,739.88-2,563.60

Finding the Fourth Proportional to 5,163.16, 7,739.88 and 2,563.60

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Solution

The fourth proportional to 5,163.16, 7,739.88 and 2,563.60 is: 3,842.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.16 : 7,739.88 = 2,563.60 : x
  2. Step 2: Convert to fraction form
    5,163.16/7,739.88 = 2,563.60/x
  3. Step 3: Cross multiply
    5,163.16x = 7,739.88 × 2,563.60
  4. Step 4: Simplify right side
    5,163.16x = 19,841,956.37
  5. Step 5: Solve for x
    x = 19,841,956.37/5,163.16
  6. Step 6: Final answer
    x = 3,842.99

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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.