Home / 4,945.31-6,824.41-2,955.14

Finding the Fourth Proportional to 4,945.31, 6,824.41 and 2,955.14

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Solution

The fourth proportional to 4,945.31, 6,824.41 and 2,955.14 is: 4,078.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.31 : 6,824.41 = 2,955.14 : x
  2. Step 2: Convert to fraction form
    4,945.31/6,824.41 = 2,955.14/x
  3. Step 3: Cross multiply
    4,945.31x = 6,824.41 × 2,955.14
  4. Step 4: Simplify right side
    4,945.31x = 20,167,086.97
  5. Step 5: Solve for x
    x = 20,167,086.97/4,945.31
  6. Step 6: Final answer
    x = 4,078.02

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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.