Home / 6,482.20-9,723.30-4,149.40

Finding the Fourth Proportional to 6,482.20, 9,723.30 and 4,149.40

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Solution

The fourth proportional to 6,482.20, 9,723.30 and 4,149.40 is: 6,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.20 : 9,723.30 = 4,149.40 : x
  2. Step 2: Convert to fraction form
    6,482.20/9,723.30 = 4,149.40/x
  3. Step 3: Cross multiply
    6,482.20x = 9,723.30 × 4,149.40
  4. Step 4: Simplify right side
    6,482.20x = 40,345,861.02
  5. Step 5: Solve for x
    x = 40,345,861.02/6,482.20
  6. Step 6: Final answer
    x = 6,224.10

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Similar ratio
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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.