Home / 3,168.70-4,373.09-1,842.38

Finding the Fourth Proportional to 3,168.70, 4,373.09 and 1,842.38

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Solution

The fourth proportional to 3,168.70, 4,373.09 and 1,842.38 is: 2,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.70 : 4,373.09 = 1,842.38 : x
  2. Step 2: Convert to fraction form
    3,168.70/4,373.09 = 1,842.38/x
  3. Step 3: Cross multiply
    3,168.70x = 4,373.09 × 1,842.38
  4. Step 4: Simplify right side
    3,168.70x = 8,056,893.55
  5. Step 5: Solve for x
    x = 8,056,893.55/3,168.70
  6. Step 6: Final answer
    x = 2,542.65

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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.