Home / 4,076.78-5,625.93-2,213.78

Finding the Fourth Proportional to 4,076.78, 5,625.93 and 2,213.78

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Solution

The fourth proportional to 4,076.78, 5,625.93 and 2,213.78 is: 3,055.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.78 : 5,625.93 = 2,213.78 : x
  2. Step 2: Convert to fraction form
    4,076.78/5,625.93 = 2,213.78/x
  3. Step 3: Cross multiply
    4,076.78x = 5,625.93 × 2,213.78
  4. Step 4: Simplify right side
    4,076.78x = 12,454,571.32
  5. Step 5: Solve for x
    x = 12,454,571.32/4,076.78
  6. Step 6: Final answer
    x = 3,055.00

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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.