Home / 2,755.36-3,802.44-1,576.64

Finding the Fourth Proportional to 2,755.36, 3,802.44 and 1,576.64

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Solution

The fourth proportional to 2,755.36, 3,802.44 and 1,576.64 is: 2,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.36 : 3,802.44 = 1,576.64 : x
  2. Step 2: Convert to fraction form
    2,755.36/3,802.44 = 1,576.64/x
  3. Step 3: Cross multiply
    2,755.36x = 3,802.44 × 1,576.64
  4. Step 4: Simplify right side
    2,755.36x = 5,995,079.00
  5. Step 5: Solve for x
    x = 5,995,079.00/2,755.36
  6. Step 6: Final answer
    x = 2,175.79

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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.