Home / 3,474.36-4,792.86-2,355.48

Finding the Fourth Proportional to 3,474.36, 4,792.86 and 2,355.48

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Solution

The fourth proportional to 3,474.36, 4,792.86 and 2,355.48 is: 3,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.36 : 4,792.86 = 2,355.48 : x
  2. Step 2: Convert to fraction form
    3,474.36/4,792.86 = 2,355.48/x
  3. Step 3: Cross multiply
    3,474.36x = 4,792.86 × 2,355.48
  4. Step 4: Simplify right side
    3,474.36x = 11,289,485.87
  5. Step 5: Solve for x
    x = 11,289,485.87/3,474.36
  6. Step 6: Final answer
    x = 3,249.37

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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.