Home / 4,920.82-6,790.59-2,682.74

Finding the Fourth Proportional to 4,920.82, 6,790.59 and 2,682.74

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Solution

The fourth proportional to 4,920.82, 6,790.59 and 2,682.74 is: 3,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.82 : 6,790.59 = 2,682.74 : x
  2. Step 2: Convert to fraction form
    4,920.82/6,790.59 = 2,682.74/x
  3. Step 3: Cross multiply
    4,920.82x = 6,790.59 × 2,682.74
  4. Step 4: Simplify right side
    4,920.82x = 18,217,353.46
  5. Step 5: Solve for x
    x = 18,217,353.46/4,920.82
  6. Step 6: Final answer
    x = 3,702.10

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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.