Home / 6,217.10-8,578.64-3,699.16

Finding the Fourth Proportional to 6,217.10, 8,578.64 and 3,699.16

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Solution

The fourth proportional to 6,217.10, 8,578.64 and 3,699.16 is: 5,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.10 : 8,578.64 = 3,699.16 : x
  2. Step 2: Convert to fraction form
    6,217.10/8,578.64 = 3,699.16/x
  3. Step 3: Cross multiply
    6,217.10x = 8,578.64 × 3,699.16
  4. Step 4: Simplify right side
    6,217.10x = 31,733,761.94
  5. Step 5: Solve for x
    x = 31,733,761.94/6,217.10
  6. Step 6: Final answer
    x = 5,104.27

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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.