Home / 3,623.94-5,431.77-1,672.02

Finding the Fourth Proportional to 3,623.94, 5,431.77 and 1,672.02

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Solution

The fourth proportional to 3,623.94, 5,431.77 and 1,672.02 is: 2,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.94 : 5,431.77 = 1,672.02 : x
  2. Step 2: Convert to fraction form
    3,623.94/5,431.77 = 1,672.02/x
  3. Step 3: Cross multiply
    3,623.94x = 5,431.77 × 1,672.02
  4. Step 4: Simplify right side
    3,623.94x = 9,082,028.08
  5. Step 5: Solve for x
    x = 9,082,028.08/3,623.94
  6. Step 6: Final answer
    x = 2,506.12

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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.