Home / 6,669.45-9,204.01-3,685.47

Finding the Fourth Proportional to 6,669.45, 9,204.01 and 3,685.47

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Solution

The fourth proportional to 6,669.45, 9,204.01 and 3,685.47 is: 5,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.45 : 9,204.01 = 3,685.47 : x
  2. Step 2: Convert to fraction form
    6,669.45/9,204.01 = 3,685.47/x
  3. Step 3: Cross multiply
    6,669.45x = 9,204.01 × 3,685.47
  4. Step 4: Simplify right side
    6,669.45x = 33,921,065.93
  5. Step 5: Solve for x
    x = 33,921,065.93/6,669.45
  6. Step 6: Final answer
    x = 5,086.04

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1.5x scale

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.