Home / 5,167.88-7,751.85-2,048.64

Finding the Fourth Proportional to 5,167.88, 7,751.85 and 2,048.64

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Solution

The fourth proportional to 5,167.88, 7,751.85 and 2,048.64 is: 3,072.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.88 : 7,751.85 = 2,048.64 : x
  2. Step 2: Convert to fraction form
    5,167.88/7,751.85 = 2,048.64/x
  3. Step 3: Cross multiply
    5,167.88x = 7,751.85 × 2,048.64
  4. Step 4: Simplify right side
    5,167.88x = 15,880,749.98
  5. Step 5: Solve for x
    x = 15,880,749.98/5,167.88
  6. Step 6: Final answer
    x = 3,072.97

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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.