Home / 6,517.44-8,990.73-4,157.10

Finding the Fourth Proportional to 6,517.44, 8,990.73 and 4,157.10

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Solution

The fourth proportional to 6,517.44, 8,990.73 and 4,157.10 is: 5,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.44 : 8,990.73 = 4,157.10 : x
  2. Step 2: Convert to fraction form
    6,517.44/8,990.73 = 4,157.10/x
  3. Step 3: Cross multiply
    6,517.44x = 8,990.73 × 4,157.10
  4. Step 4: Simplify right side
    6,517.44x = 37,375,363.68
  5. Step 5: Solve for x
    x = 37,375,363.68/6,517.44
  6. Step 6: Final answer
    x = 5,734.67

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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.