Home / 6,286.38-8,675.58-3,491.88

Finding the Fourth Proportional to 6,286.38, 8,675.58 and 3,491.88

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Solution

The fourth proportional to 6,286.38, 8,675.58 and 3,491.88 is: 4,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.38 : 8,675.58 = 3,491.88 : x
  2. Step 2: Convert to fraction form
    6,286.38/8,675.58 = 3,491.88/x
  3. Step 3: Cross multiply
    6,286.38x = 8,675.58 × 3,491.88
  4. Step 4: Simplify right side
    6,286.38x = 30,294,084.29
  5. Step 5: Solve for x
    x = 30,294,084.29/6,286.38
  6. Step 6: Final answer
    x = 4,819.00

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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.