Home / 6,664.36-9,196.60-3,680.02

Finding the Fourth Proportional to 6,664.36, 9,196.60 and 3,680.02

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Solution

The fourth proportional to 6,664.36, 9,196.60 and 3,680.02 is: 5,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.36 : 9,196.60 = 3,680.02 : x
  2. Step 2: Convert to fraction form
    6,664.36/9,196.60 = 3,680.02/x
  3. Step 3: Cross multiply
    6,664.36x = 9,196.60 × 3,680.02
  4. Step 4: Simplify right side
    6,664.36x = 33,843,671.93
  5. Step 5: Solve for x
    x = 33,843,671.93/6,664.36
  6. Step 6: Final answer
    x = 5,078.31

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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.