Home / 6,119.25-8,449.43-4,799.76

Finding the Fourth Proportional to 6,119.25, 8,449.43 and 4,799.76

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Solution

The fourth proportional to 6,119.25, 8,449.43 and 4,799.76 is: 6,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.25 : 8,449.43 = 4,799.76 : x
  2. Step 2: Convert to fraction form
    6,119.25/8,449.43 = 4,799.76/x
  3. Step 3: Cross multiply
    6,119.25x = 8,449.43 × 4,799.76
  4. Step 4: Simplify right side
    6,119.25x = 40,555,212.14
  5. Step 5: Solve for x
    x = 40,555,212.14/6,119.25
  6. Step 6: Final answer
    x = 6,627.48

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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.