Home / 5,180.06-7,149.41-3,055.46

Finding the Fourth Proportional to 5,180.06, 7,149.41 and 3,055.46

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Solution

The fourth proportional to 5,180.06, 7,149.41 and 3,055.46 is: 4,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.06 : 7,149.41 = 3,055.46 : x
  2. Step 2: Convert to fraction form
    5,180.06/7,149.41 = 3,055.46/x
  3. Step 3: Cross multiply
    5,180.06x = 7,149.41 × 3,055.46
  4. Step 4: Simplify right side
    5,180.06x = 21,844,736.28
  5. Step 5: Solve for x
    x = 21,844,736.28/5,180.06
  6. Step 6: Final answer
    x = 4,217.08

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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.