Home / 5,452.82-8,172.36-2,953.90

Finding the Fourth Proportional to 5,452.82, 8,172.36 and 2,953.90

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Solution

The fourth proportional to 5,452.82, 8,172.36 and 2,953.90 is: 4,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.82 : 8,172.36 = 2,953.90 : x
  2. Step 2: Convert to fraction form
    5,452.82/8,172.36 = 2,953.90/x
  3. Step 3: Cross multiply
    5,452.82x = 8,172.36 × 2,953.90
  4. Step 4: Simplify right side
    5,452.82x = 24,140,344.42
  5. Step 5: Solve for x
    x = 24,140,344.42/5,452.82
  6. Step 6: Final answer
    x = 4,427.13

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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.