Home / 4,148.94-5,721.76-2,749.26

Finding the Fourth Proportional to 4,148.94, 5,721.76 and 2,749.26

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Solution

The fourth proportional to 4,148.94, 5,721.76 and 2,749.26 is: 3,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.94 : 5,721.76 = 2,749.26 : x
  2. Step 2: Convert to fraction form
    4,148.94/5,721.76 = 2,749.26/x
  3. Step 3: Cross multiply
    4,148.94x = 5,721.76 × 2,749.26
  4. Step 4: Simplify right side
    4,148.94x = 15,730,605.90
  5. Step 5: Solve for x
    x = 15,730,605.90/4,148.94
  6. Step 6: Final answer
    x = 3,791.48

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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.