Home / 6,313.44-8,712.56-3,519.04

Finding the Fourth Proportional to 6,313.44, 8,712.56 and 3,519.04

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Solution

The fourth proportional to 6,313.44, 8,712.56 and 3,519.04 is: 4,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.44 : 8,712.56 = 3,519.04 : x
  2. Step 2: Convert to fraction form
    6,313.44/8,712.56 = 3,519.04/x
  3. Step 3: Cross multiply
    6,313.44x = 8,712.56 × 3,519.04
  4. Step 4: Simplify right side
    6,313.44x = 30,659,847.14
  5. Step 5: Solve for x
    x = 30,659,847.14/6,313.44
  6. Step 6: Final answer
    x = 4,856.28

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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.