Home / 5,194.73-7,168.82-3,178.48

Finding the Fourth Proportional to 5,194.73, 7,168.82 and 3,178.48

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Solution

The fourth proportional to 5,194.73, 7,168.82 and 3,178.48 is: 4,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.73 : 7,168.82 = 3,178.48 : x
  2. Step 2: Convert to fraction form
    5,194.73/7,168.82 = 3,178.48/x
  3. Step 3: Cross multiply
    5,194.73x = 7,168.82 × 3,178.48
  4. Step 4: Simplify right side
    5,194.73x = 22,785,950.99
  5. Step 5: Solve for x
    x = 22,785,950.99/5,194.73
  6. Step 6: Final answer
    x = 4,386.36

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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.