Home / 4,920.71-6,790.32-2,682.59

Finding the Fourth Proportional to 4,920.71, 6,790.32 and 2,682.59

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Solution

The fourth proportional to 4,920.71, 6,790.32 and 2,682.59 is: 3,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.71 : 6,790.32 = 2,682.59 : x
  2. Step 2: Convert to fraction form
    4,920.71/6,790.32 = 2,682.59/x
  3. Step 3: Cross multiply
    4,920.71x = 6,790.32 × 2,682.59
  4. Step 4: Simplify right side
    4,920.71x = 18,215,610.58
  5. Step 5: Solve for x
    x = 18,215,610.58/4,920.71
  6. Step 6: Final answer
    x = 3,701.83

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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.