Home / 3,388.10-5,076.66-1,742.36

Finding the Fourth Proportional to 3,388.10, 5,076.66 and 1,742.36

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Solution

The fourth proportional to 3,388.10, 5,076.66 and 1,742.36 is: 2,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.10 : 5,076.66 = 1,742.36 : x
  2. Step 2: Convert to fraction form
    3,388.10/5,076.66 = 1,742.36/x
  3. Step 3: Cross multiply
    3,388.10x = 5,076.66 × 1,742.36
  4. Step 4: Simplify right side
    3,388.10x = 8,845,369.32
  5. Step 5: Solve for x
    x = 8,845,369.32/3,388.10
  6. Step 6: Final answer
    x = 2,610.72

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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.