Home / 6,219.88-8,583.66-3,530.96

Finding the Fourth Proportional to 6,219.88, 8,583.66 and 3,530.96

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Solution

The fourth proportional to 6,219.88, 8,583.66 and 3,530.96 is: 4,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.88 : 8,583.66 = 3,530.96 : x
  2. Step 2: Convert to fraction form
    6,219.88/8,583.66 = 3,530.96/x
  3. Step 3: Cross multiply
    6,219.88x = 8,583.66 × 3,530.96
  4. Step 4: Simplify right side
    6,219.88x = 30,308,560.11
  5. Step 5: Solve for x
    x = 30,308,560.11/6,219.88
  6. Step 6: Final answer
    x = 4,872.85

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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.