Home / 6,107.97-8,428.98-3,313.47

Finding the Fourth Proportional to 6,107.97, 8,428.98 and 3,313.47

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Solution

The fourth proportional to 6,107.97, 8,428.98 and 3,313.47 is: 4,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.97 : 8,428.98 = 3,313.47 : x
  2. Step 2: Convert to fraction form
    6,107.97/8,428.98 = 3,313.47/x
  3. Step 3: Cross multiply
    6,107.97x = 8,428.98 × 3,313.47
  4. Step 4: Simplify right side
    6,107.97x = 27,929,172.36
  5. Step 5: Solve for x
    x = 27,929,172.36/6,107.97
  6. Step 6: Final answer
    x = 4,572.58

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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.