Home / 3,505.14-4,836.48-2,107.92

Finding the Fourth Proportional to 3,505.14, 4,836.48 and 2,107.92

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Solution

The fourth proportional to 3,505.14, 4,836.48 and 2,107.92 is: 2,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.14 : 4,836.48 = 2,107.92 : x
  2. Step 2: Convert to fraction form
    3,505.14/4,836.48 = 2,107.92/x
  3. Step 3: Cross multiply
    3,505.14x = 4,836.48 × 2,107.92
  4. Step 4: Simplify right side
    3,505.14x = 10,194,912.92
  5. Step 5: Solve for x
    x = 10,194,912.92/3,505.14
  6. Step 6: Final answer
    x = 2,908.56

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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.