Home / 5,149.44-7,106.24-2,791.58

Finding the Fourth Proportional to 5,149.44, 7,106.24 and 2,791.58

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Solution

The fourth proportional to 5,149.44, 7,106.24 and 2,791.58 is: 3,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.44 : 7,106.24 = 2,791.58 : x
  2. Step 2: Convert to fraction form
    5,149.44/7,106.24 = 2,791.58/x
  3. Step 3: Cross multiply
    5,149.44x = 7,106.24 × 2,791.58
  4. Step 4: Simplify right side
    5,149.44x = 19,837,637.46
  5. Step 5: Solve for x
    x = 19,837,637.46/5,149.44
  6. Step 6: Final answer
    x = 3,852.39

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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.