Home / 4,969.15-6,857.09-2,730.97

Finding the Fourth Proportional to 4,969.15, 6,857.09 and 2,730.97

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Solution

The fourth proportional to 4,969.15, 6,857.09 and 2,730.97 is: 3,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.15 : 6,857.09 = 2,730.97 : x
  2. Step 2: Convert to fraction form
    4,969.15/6,857.09 = 2,730.97/x
  3. Step 3: Cross multiply
    4,969.15x = 6,857.09 × 2,730.97
  4. Step 4: Simplify right side
    4,969.15x = 18,726,493.42
  5. Step 5: Solve for x
    x = 18,726,493.42/4,969.15
  6. Step 6: Final answer
    x = 3,768.55

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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.