Home / 3,297.12-4,548.90-1,879.79

Finding the Fourth Proportional to 3,297.12, 4,548.90 and 1,879.79

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Solution

The fourth proportional to 3,297.12, 4,548.90 and 1,879.79 is: 2,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.12 : 4,548.90 = 1,879.79 : x
  2. Step 2: Convert to fraction form
    3,297.12/4,548.90 = 1,879.79/x
  3. Step 3: Cross multiply
    3,297.12x = 4,548.90 × 1,879.79
  4. Step 4: Simplify right side
    3,297.12x = 8,550,949.42
  5. Step 5: Solve for x
    x = 8,550,949.42/3,297.12
  6. Step 6: Final answer
    x = 2,593.46

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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.