Home / 5,087.49-7,020.55-2,849.26

Finding the Fourth Proportional to 5,087.49, 7,020.55 and 2,849.26

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Solution

The fourth proportional to 5,087.49, 7,020.55 and 2,849.26 is: 3,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.49 : 7,020.55 = 2,849.26 : x
  2. Step 2: Convert to fraction form
    5,087.49/7,020.55 = 2,849.26/x
  3. Step 3: Cross multiply
    5,087.49x = 7,020.55 × 2,849.26
  4. Step 4: Simplify right side
    5,087.49x = 20,003,322.94
  5. Step 5: Solve for x
    x = 20,003,322.94/5,087.49
  6. Step 6: Final answer
    x = 3,931.86

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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.