Home / 5,157-7,723.08-3,302.37

Finding the Fourth Proportional to 5,157, 7,723.08 and 3,302.37

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Solution

The fourth proportional to 5,157, 7,723.08 and 3,302.37 is: 4,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157 : 7,723.08 = 3,302.37 : x
  2. Step 2: Convert to fraction form
    5,157/7,723.08 = 3,302.37/x
  3. Step 3: Cross multiply
    5,157x = 7,723.08 × 3,302.37
  4. Step 4: Simplify right side
    5,157x = 25,504,467.70
  5. Step 5: Solve for x
    x = 25,504,467.70/5,157
  6. Step 6: Final answer
    x = 4,945.60

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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.