Home / 4,920.66-6,790.43-2,682.56

Finding the Fourth Proportional to 4,920.66, 6,790.43 and 2,682.56

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Solution

The fourth proportional to 4,920.66, 6,790.43 and 2,682.56 is: 3,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.66 : 6,790.43 = 2,682.56 : x
  2. Step 2: Convert to fraction form
    4,920.66/6,790.43 = 2,682.56/x
  3. Step 3: Cross multiply
    4,920.66x = 6,790.43 × 2,682.56
  4. Step 4: Simplify right side
    4,920.66x = 18,215,688.54
  5. Step 5: Solve for x
    x = 18,215,688.54/4,920.66
  6. Step 6: Final answer
    x = 3,701.88

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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.