Home / 6,479.10-8,942.67-3,827.70

Finding the Fourth Proportional to 6,479.10, 8,942.67 and 3,827.70

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Solution

The fourth proportional to 6,479.10, 8,942.67 and 3,827.70 is: 5,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.10 : 8,942.67 = 3,827.70 : x
  2. Step 2: Convert to fraction form
    6,479.10/8,942.67 = 3,827.70/x
  3. Step 3: Cross multiply
    6,479.10x = 8,942.67 × 3,827.70
  4. Step 4: Simplify right side
    6,479.10x = 34,229,857.96
  5. Step 5: Solve for x
    x = 34,229,857.96/6,479.10
  6. Step 6: Final answer
    x = 5,283.12

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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.