Home / 2,736.64-4,104.93-1,005.25

Finding the Fourth Proportional to 2,736.64, 4,104.93 and 1,005.25

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Solution

The fourth proportional to 2,736.64, 4,104.93 and 1,005.25 is: 1,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.64 : 4,104.93 = 1,005.25 : x
  2. Step 2: Convert to fraction form
    2,736.64/4,104.93 = 1,005.25/x
  3. Step 3: Cross multiply
    2,736.64x = 4,104.93 × 1,005.25
  4. Step 4: Simplify right side
    2,736.64x = 4,126,480.88
  5. Step 5: Solve for x
    x = 4,126,480.88/2,736.64
  6. Step 6: Final answer
    x = 1,507.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.