Home / 2,620.73-3,612.25-2,248.13

Finding the Fourth Proportional to 2,620.73, 3,612.25 and 2,248.13

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Solution

The fourth proportional to 2,620.73, 3,612.25 and 2,248.13 is: 3,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.73 : 3,612.25 = 2,248.13 : x
  2. Step 2: Convert to fraction form
    2,620.73/3,612.25 = 2,248.13/x
  3. Step 3: Cross multiply
    2,620.73x = 3,612.25 × 2,248.13
  4. Step 4: Simplify right side
    2,620.73x = 8,120,807.59
  5. Step 5: Solve for x
    x = 8,120,807.59/2,620.73
  6. Step 6: Final answer
    x = 3,098.68

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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.