Home / 3,451.33-4,762.68-1,879.39

Finding the Fourth Proportional to 3,451.33, 4,762.68 and 1,879.39

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Solution

The fourth proportional to 3,451.33, 4,762.68 and 1,879.39 is: 2,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.33 : 4,762.68 = 1,879.39 : x
  2. Step 2: Convert to fraction form
    3,451.33/4,762.68 = 1,879.39/x
  3. Step 3: Cross multiply
    3,451.33x = 4,762.68 × 1,879.39
  4. Step 4: Simplify right side
    3,451.33x = 8,950,933.17
  5. Step 5: Solve for x
    x = 8,950,933.17/3,451.33
  6. Step 6: Final answer
    x = 2,593.47

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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.