Home / 6,192.22-9,279.60-3,420.14

Finding the Fourth Proportional to 6,192.22, 9,279.60 and 3,420.14

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Solution

The fourth proportional to 6,192.22, 9,279.60 and 3,420.14 is: 5,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,192.22 : 9,279.60 = 3,420.14 : x
  2. Step 2: Convert to fraction form
    6,192.22/9,279.60 = 3,420.14/x
  3. Step 3: Cross multiply
    6,192.22x = 9,279.60 × 3,420.14
  4. Step 4: Simplify right side
    6,192.22x = 31,737,531.14
  5. Step 5: Solve for x
    x = 31,737,531.14/6,192.22
  6. Step 6: Final answer
    x = 5,125.39

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1.5x scale

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.