Home / 3,914.73-5,402.50-2,236.51

Finding the Fourth Proportional to 3,914.73, 5,402.50 and 2,236.51

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Solution

The fourth proportional to 3,914.73, 5,402.50 and 2,236.51 is: 3,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.73 : 5,402.50 = 2,236.51 : x
  2. Step 2: Convert to fraction form
    3,914.73/5,402.50 = 2,236.51/x
  3. Step 3: Cross multiply
    3,914.73x = 5,402.50 × 2,236.51
  4. Step 4: Simplify right side
    3,914.73x = 12,082,746.44
  5. Step 5: Solve for x
    x = 12,082,746.44/3,914.73
  6. Step 6: Final answer
    x = 3,086.48

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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.