Home / 5,581.44-8,374.86-3,948.48

Finding the Fourth Proportional to 5,581.44, 8,374.86 and 3,948.48

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Solution

The fourth proportional to 5,581.44, 8,374.86 and 3,948.48 is: 5,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.44 : 8,374.86 = 3,948.48 : x
  2. Step 2: Convert to fraction form
    5,581.44/8,374.86 = 3,948.48/x
  3. Step 3: Cross multiply
    5,581.44x = 8,374.86 × 3,948.48
  4. Step 4: Simplify right side
    5,581.44x = 33,067,967.21
  5. Step 5: Solve for x
    x = 33,067,967.21/5,581.44
  6. Step 6: Final answer
    x = 5,924.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.