Home / 3,588.58-4,939.81-3,122.02

Finding the Fourth Proportional to 3,588.58, 4,939.81 and 3,122.02

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Solution

The fourth proportional to 3,588.58, 4,939.81 and 3,122.02 is: 4,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.58 : 4,939.81 = 3,122.02 : x
  2. Step 2: Convert to fraction form
    3,588.58/4,939.81 = 3,122.02/x
  3. Step 3: Cross multiply
    3,588.58x = 4,939.81 × 3,122.02
  4. Step 4: Simplify right side
    3,588.58x = 15,422,185.62
  5. Step 5: Solve for x
    x = 15,422,185.62/3,588.58
  6. Step 6: Final answer
    x = 4,297.57

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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.