Home / 3,792.37-5,233.64-2,113.78

Finding the Fourth Proportional to 3,792.37, 5,233.64 and 2,113.78

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Solution

The fourth proportional to 3,792.37, 5,233.64 and 2,113.78 is: 2,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.37 : 5,233.64 = 2,113.78 : x
  2. Step 2: Convert to fraction form
    3,792.37/5,233.64 = 2,113.78/x
  3. Step 3: Cross multiply
    3,792.37x = 5,233.64 × 2,113.78
  4. Step 4: Simplify right side
    3,792.37x = 11,062,763.56
  5. Step 5: Solve for x
    x = 11,062,763.56/3,792.37
  6. Step 6: Final answer
    x = 2,917.11

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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.