Home / 3,481.48-4,804.36-1,909.56

Finding the Fourth Proportional to 3,481.48, 4,804.36 and 1,909.56

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Solution

The fourth proportional to 3,481.48, 4,804.36 and 1,909.56 is: 2,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.48 : 4,804.36 = 1,909.56 : x
  2. Step 2: Convert to fraction form
    3,481.48/4,804.36 = 1,909.56/x
  3. Step 3: Cross multiply
    3,481.48x = 4,804.36 × 1,909.56
  4. Step 4: Simplify right side
    3,481.48x = 9,174,213.68
  5. Step 5: Solve for x
    x = 9,174,213.68/3,481.48
  6. Step 6: Final answer
    x = 2,635.15

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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.