Home / 3,157.38-4,736.07-1,513.62

Finding the Fourth Proportional to 3,157.38, 4,736.07 and 1,513.62

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Solution

The fourth proportional to 3,157.38, 4,736.07 and 1,513.62 is: 2,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.38 : 4,736.07 = 1,513.62 : x
  2. Step 2: Convert to fraction form
    3,157.38/4,736.07 = 1,513.62/x
  3. Step 3: Cross multiply
    3,157.38x = 4,736.07 × 1,513.62
  4. Step 4: Simplify right side
    3,157.38x = 7,168,610.27
  5. Step 5: Solve for x
    x = 7,168,610.27/3,157.38
  6. Step 6: Final answer
    x = 2,270.43

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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.