Home / 5,087.97-7,021.35-2,849.94

Finding the Fourth Proportional to 5,087.97, 7,021.35 and 2,849.94

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Solution

The fourth proportional to 5,087.97, 7,021.35 and 2,849.94 is: 3,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.97 : 7,021.35 = 2,849.94 : x
  2. Step 2: Convert to fraction form
    5,087.97/7,021.35 = 2,849.94/x
  3. Step 3: Cross multiply
    5,087.97x = 7,021.35 × 2,849.94
  4. Step 4: Simplify right side
    5,087.97x = 20,010,426.22
  5. Step 5: Solve for x
    x = 20,010,426.22/5,087.97
  6. Step 6: Final answer
    x = 3,932.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.