Home / 6,107.92-8,428.96-3,455.27

Finding the Fourth Proportional to 6,107.92, 8,428.96 and 3,455.27

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Solution

The fourth proportional to 6,107.92, 8,428.96 and 3,455.27 is: 4,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.92 : 8,428.96 = 3,455.27 : x
  2. Step 2: Convert to fraction form
    6,107.92/8,428.96 = 3,455.27/x
  3. Step 3: Cross multiply
    6,107.92x = 8,428.96 × 3,455.27
  4. Step 4: Simplify right side
    6,107.92x = 29,124,313.44
  5. Step 5: Solve for x
    x = 29,124,313.44/6,107.92
  6. Step 6: Final answer
    x = 4,768.29

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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.