Home / 5,452.57-8,172.72-2,331.01

Finding the Fourth Proportional to 5,452.57, 8,172.72 and 2,331.01

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Solution

The fourth proportional to 5,452.57, 8,172.72 and 2,331.01 is: 3,493.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.57 : 8,172.72 = 2,331.01 : x
  2. Step 2: Convert to fraction form
    5,452.57/8,172.72 = 2,331.01/x
  3. Step 3: Cross multiply
    5,452.57x = 8,172.72 × 2,331.01
  4. Step 4: Simplify right side
    5,452.57x = 19,050,692.05
  5. Step 5: Solve for x
    x = 19,050,692.05/5,452.57
  6. Step 6: Final answer
    x = 3,493.89

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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.