Home / 5,087.88-7,631.84-2,623.42

Finding the Fourth Proportional to 5,087.88, 7,631.84 and 2,623.42

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Solution

The fourth proportional to 5,087.88, 7,631.84 and 2,623.42 is: 3,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.88 : 7,631.84 = 2,623.42 : x
  2. Step 2: Convert to fraction form
    5,087.88/7,631.84 = 2,623.42/x
  3. Step 3: Cross multiply
    5,087.88x = 7,631.84 × 2,623.42
  4. Step 4: Simplify right side
    5,087.88x = 20,021,523.03
  5. Step 5: Solve for x
    x = 20,021,523.03/5,087.88
  6. Step 6: Final answer
    x = 3,935.14

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1.5x scale

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.