Home / 5,142.95-7,093.61-3,550.20

Finding the Fourth Proportional to 5,142.95, 7,093.61 and 3,550.20

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Solution

The fourth proportional to 5,142.95, 7,093.61 and 3,550.20 is: 4,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.95 : 7,093.61 = 3,550.20 : x
  2. Step 2: Convert to fraction form
    5,142.95/7,093.61 = 3,550.20/x
  3. Step 3: Cross multiply
    5,142.95x = 7,093.61 × 3,550.20
  4. Step 4: Simplify right side
    5,142.95x = 25,183,716.47
  5. Step 5: Solve for x
    x = 25,183,716.47/5,142.95
  6. Step 6: Final answer
    x = 4,896.75

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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.