Home / 6,107.63-8,428.52-3,454.99

Finding the Fourth Proportional to 6,107.63, 8,428.52 and 3,454.99

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Solution

The fourth proportional to 6,107.63, 8,428.52 and 3,454.99 is: 4,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.63 : 8,428.52 = 3,454.99 : x
  2. Step 2: Convert to fraction form
    6,107.63/8,428.52 = 3,454.99/x
  3. Step 3: Cross multiply
    6,107.63x = 8,428.52 × 3,454.99
  4. Step 4: Simplify right side
    6,107.63x = 29,120,439.88
  5. Step 5: Solve for x
    x = 29,120,439.88/6,107.63
  6. Step 6: Final answer
    x = 4,767.88

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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.