Home / 3,006.86-4,149.44-1,662.56

Finding the Fourth Proportional to 3,006.86, 4,149.44 and 1,662.56

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Solution

The fourth proportional to 3,006.86, 4,149.44 and 1,662.56 is: 2,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.86 : 4,149.44 = 1,662.56 : x
  2. Step 2: Convert to fraction form
    3,006.86/4,149.44 = 1,662.56/x
  3. Step 3: Cross multiply
    3,006.86x = 4,149.44 × 1,662.56
  4. Step 4: Simplify right side
    3,006.86x = 6,898,705.54
  5. Step 5: Solve for x
    x = 6,898,705.54/3,006.86
  6. Step 6: Final answer
    x = 2,294.32

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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.