Home / 6,107.76-8,428.73-3,313.26

Finding the Fourth Proportional to 6,107.76, 8,428.73 and 3,313.26

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Solution

The fourth proportional to 6,107.76, 8,428.73 and 3,313.26 is: 4,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.76 : 8,428.73 = 3,313.26 : x
  2. Step 2: Convert to fraction form
    6,107.76/8,428.73 = 3,313.26/x
  3. Step 3: Cross multiply
    6,107.76x = 8,428.73 × 3,313.26
  4. Step 4: Simplify right side
    6,107.76x = 27,926,557.39
  5. Step 5: Solve for x
    x = 27,926,557.39/6,107.76
  6. Step 6: Final answer
    x = 4,572.31

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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.