Home / 3,493.22-5,242.95-3,122.43

Finding the Fourth Proportional to 3,493.22, 5,242.95 and 3,122.43

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Solution

The fourth proportional to 3,493.22, 5,242.95 and 3,122.43 is: 4,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.22 : 5,242.95 = 3,122.43 : x
  2. Step 2: Convert to fraction form
    3,493.22/5,242.95 = 3,122.43/x
  3. Step 3: Cross multiply
    3,493.22x = 5,242.95 × 3,122.43
  4. Step 4: Simplify right side
    3,493.22x = 16,370,744.37
  5. Step 5: Solve for x
    x = 16,370,744.37/3,493.22
  6. Step 6: Final answer
    x = 4,686.44

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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.