Home / 2,236.25-3,086.08-1,241.51

Finding the Fourth Proportional to 2,236.25, 3,086.08 and 1,241.51

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Solution

The fourth proportional to 2,236.25, 3,086.08 and 1,241.51 is: 1,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.25 : 3,086.08 = 1,241.51 : x
  2. Step 2: Convert to fraction form
    2,236.25/3,086.08 = 1,241.51/x
  3. Step 3: Cross multiply
    2,236.25x = 3,086.08 × 1,241.51
  4. Step 4: Simplify right side
    2,236.25x = 3,831,380.65
  5. Step 5: Solve for x
    x = 3,831,380.65/2,236.25
  6. Step 6: Final answer
    x = 1,713.30

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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.