Home / 4,920.25-6,789.95-2,682.13

Finding the Fourth Proportional to 4,920.25, 6,789.95 and 2,682.13

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Solution

The fourth proportional to 4,920.25, 6,789.95 and 2,682.13 is: 3,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.25 : 6,789.95 = 2,682.13 : x
  2. Step 2: Convert to fraction form
    4,920.25/6,789.95 = 2,682.13/x
  3. Step 3: Cross multiply
    4,920.25x = 6,789.95 × 2,682.13
  4. Step 4: Simplify right side
    4,920.25x = 18,211,497.91
  5. Step 5: Solve for x
    x = 18,211,497.91/4,920.25
  6. Step 6: Final answer
    x = 3,701.33

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Double scale
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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.