Home / 3,568.64-5,342.72-2,196.48

Finding the Fourth Proportional to 3,568.64, 5,342.72 and 2,196.48

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Solution

The fourth proportional to 3,568.64, 5,342.72 and 2,196.48 is: 3,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.64 : 5,342.72 = 2,196.48 : x
  2. Step 2: Convert to fraction form
    3,568.64/5,342.72 = 2,196.48/x
  3. Step 3: Cross multiply
    3,568.64x = 5,342.72 × 2,196.48
  4. Step 4: Simplify right side
    3,568.64x = 11,735,177.63
  5. Step 5: Solve for x
    x = 11,735,177.63/3,568.64
  6. Step 6: Final answer
    x = 3,288.42

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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.