Home / 17,087.42-25,631.91-5,240.33

Finding the Fourth Proportional to 17,087.42, 25,631.91 and 5,240.33

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Solution

The fourth proportional to 17,087.42, 25,631.91 and 5,240.33 is: 7,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.42 : 25,631.91 = 5,240.33 : x
  2. Step 2: Convert to fraction form
    17,087.42/25,631.91 = 5,240.33/x
  3. Step 3: Cross multiply
    17,087.42x = 25,631.91 × 5,240.33
  4. Step 4: Simplify right side
    17,087.42x = 134,319,666.93
  5. Step 5: Solve for x
    x = 134,319,666.93/17,087.42
  6. Step 6: Final answer
    x = 7,860.73

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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.