Home / 5,697.01-7,861.88-3,179.05

Finding the Fourth Proportional to 5,697.01, 7,861.88 and 3,179.05

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Solution

The fourth proportional to 5,697.01, 7,861.88 and 3,179.05 is: 4,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.01 : 7,861.88 = 3,179.05 : x
  2. Step 2: Convert to fraction form
    5,697.01/7,861.88 = 3,179.05/x
  3. Step 3: Cross multiply
    5,697.01x = 7,861.88 × 3,179.05
  4. Step 4: Simplify right side
    5,697.01x = 24,993,309.61
  5. Step 5: Solve for x
    x = 24,993,309.61/5,697.01
  6. Step 6: Final answer
    x = 4,387.09

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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.