Home / 17,287.96-25,935.78-4,975

Finding the Fourth Proportional to 17,287.96, 25,935.78 and 4,975

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Solution

The fourth proportional to 17,287.96, 25,935.78 and 4,975 is: 7,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,287.96 : 25,935.78 = 4,975 : x
  2. Step 2: Convert to fraction form
    17,287.96/25,935.78 = 4,975/x
  3. Step 3: Cross multiply
    17,287.96x = 25,935.78 × 4,975
  4. Step 4: Simplify right side
    17,287.96x = 129,030,505.50
  5. Step 5: Solve for x
    x = 129,030,505.50/17,287.96
  6. Step 6: Final answer
    x = 7,463.61

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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.