Home / 2,708.73-3,733.97-2,118.24

Finding the Fourth Proportional to 2,708.73, 3,733.97 and 2,118.24

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Solution

The fourth proportional to 2,708.73, 3,733.97 and 2,118.24 is: 2,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.73 : 3,733.97 = 2,118.24 : x
  2. Step 2: Convert to fraction form
    2,708.73/3,733.97 = 2,118.24/x
  3. Step 3: Cross multiply
    2,708.73x = 3,733.97 × 2,118.24
  4. Step 4: Simplify right side
    2,708.73x = 7,909,434.02
  5. Step 5: Solve for x
    x = 7,909,434.02/2,708.73
  6. Step 6: Final answer
    x = 2,919.98

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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.