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Finding the Fourth Proportional to 3,459.66, 5,189.48 and 2,983.98

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Solution

The fourth proportional to 3,459.66, 5,189.48 and 2,983.98 is: 4,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.66 : 5,189.48 = 2,983.98 : x
  2. Step 2: Convert to fraction form
    3,459.66/5,189.48 = 2,983.98/x
  3. Step 3: Cross multiply
    3,459.66x = 5,189.48 × 2,983.98
  4. Step 4: Simplify right side
    3,459.66x = 15,485,304.53
  5. Step 5: Solve for x
    x = 15,485,304.53/3,459.66
  6. Step 6: Final answer
    x = 4,475.96

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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.