Home / 3,449.75-5,151.18-3,356.33

Finding the Fourth Proportional to 3,449.75, 5,151.18 and 3,356.33

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Solution

The fourth proportional to 3,449.75, 5,151.18 and 3,356.33 is: 5,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.75 : 5,151.18 = 3,356.33 : x
  2. Step 2: Convert to fraction form
    3,449.75/5,151.18 = 3,356.33/x
  3. Step 3: Cross multiply
    3,449.75x = 5,151.18 × 3,356.33
  4. Step 4: Simplify right side
    3,449.75x = 17,289,034.21
  5. Step 5: Solve for x
    x = 17,289,034.21/3,449.75
  6. Step 6: Final answer
    x = 5,011.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.