Home / 6,170.90-8,516.05-3,376.40

Finding the Fourth Proportional to 6,170.90, 8,516.05 and 3,376.40

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Solution

The fourth proportional to 6,170.90, 8,516.05 and 3,376.40 is: 4,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.90 : 8,516.05 = 3,376.40 : x
  2. Step 2: Convert to fraction form
    6,170.90/8,516.05 = 3,376.40/x
  3. Step 3: Cross multiply
    6,170.90x = 8,516.05 × 3,376.40
  4. Step 4: Simplify right side
    6,170.90x = 28,753,540.20
  5. Step 5: Solve for x
    x = 28,753,540.20/6,170.90
  6. Step 6: Final answer
    x = 4,659.54

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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.