Home / 3,568.72-4,924.40-1,996.88

Finding the Fourth Proportional to 3,568.72, 4,924.40 and 1,996.88

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Solution

The fourth proportional to 3,568.72, 4,924.40 and 1,996.88 is: 2,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.72 : 4,924.40 = 1,996.88 : x
  2. Step 2: Convert to fraction form
    3,568.72/4,924.40 = 1,996.88/x
  3. Step 3: Cross multiply
    3,568.72x = 4,924.40 × 1,996.88
  4. Step 4: Simplify right side
    3,568.72x = 9,833,435.87
  5. Step 5: Solve for x
    x = 9,833,435.87/3,568.72
  6. Step 6: Final answer
    x = 2,755.45

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1.5x scale

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.