Home / 5,180.94-7,153.38-3,192.12

Finding the Fourth Proportional to 5,180.94, 7,153.38 and 3,192.12

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Solution

The fourth proportional to 5,180.94, 7,153.38 and 3,192.12 is: 4,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.94 : 7,153.38 = 3,192.12 : x
  2. Step 2: Convert to fraction form
    5,180.94/7,153.38 = 3,192.12/x
  3. Step 3: Cross multiply
    5,180.94x = 7,153.38 × 3,192.12
  4. Step 4: Simplify right side
    5,180.94x = 22,834,447.37
  5. Step 5: Solve for x
    x = 22,834,447.37/5,180.94
  6. Step 6: Final answer
    x = 4,407.39

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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.