Home / 6,669.50-9,204.08-3,685.37

Finding the Fourth Proportional to 6,669.50, 9,204.08 and 3,685.37

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Solution

The fourth proportional to 6,669.50, 9,204.08 and 3,685.37 is: 5,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.50 : 9,204.08 = 3,685.37 : x
  2. Step 2: Convert to fraction form
    6,669.50/9,204.08 = 3,685.37/x
  3. Step 3: Cross multiply
    6,669.50x = 9,204.08 × 3,685.37
  4. Step 4: Simplify right side
    6,669.50x = 33,920,375.86
  5. Step 5: Solve for x
    x = 33,920,375.86/6,669.50
  6. Step 6: Final answer
    x = 5,085.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.