Home / 6,215.92-8,578.24-3,563.58

Finding the Fourth Proportional to 6,215.92, 8,578.24 and 3,563.58

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Solution

The fourth proportional to 6,215.92, 8,578.24 and 3,563.58 is: 4,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.92 : 8,578.24 = 3,563.58 : x
  2. Step 2: Convert to fraction form
    6,215.92/8,578.24 = 3,563.58/x
  3. Step 3: Cross multiply
    6,215.92x = 8,578.24 × 3,563.58
  4. Step 4: Simplify right side
    6,215.92x = 30,569,244.50
  5. Step 5: Solve for x
    x = 30,569,244.50/6,215.92
  6. Step 6: Final answer
    x = 4,917.90

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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.