Home / 6,061.20-9,091.80-4,311.60

Finding the Fourth Proportional to 6,061.20, 9,091.80 and 4,311.60

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Solution

The fourth proportional to 6,061.20, 9,091.80 and 4,311.60 is: 6,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,061.20 : 9,091.80 = 4,311.60 : x
  2. Step 2: Convert to fraction form
    6,061.20/9,091.80 = 4,311.60/x
  3. Step 3: Cross multiply
    6,061.20x = 9,091.80 × 4,311.60
  4. Step 4: Simplify right side
    6,061.20x = 39,200,204.88
  5. Step 5: Solve for x
    x = 39,200,204.88/6,061.20
  6. Step 6: Final answer
    x = 6,467.40

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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.