Home / 3,163.17-4,744.79-1,705.17

Finding the Fourth Proportional to 3,163.17, 4,744.79 and 1,705.17

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Solution

The fourth proportional to 3,163.17, 4,744.79 and 1,705.17 is: 2,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.17 : 4,744.79 = 1,705.17 : x
  2. Step 2: Convert to fraction form
    3,163.17/4,744.79 = 1,705.17/x
  3. Step 3: Cross multiply
    3,163.17x = 4,744.79 × 1,705.17
  4. Step 4: Simplify right side
    3,163.17x = 8,090,673.56
  5. Step 5: Solve for x
    x = 8,090,673.56/3,163.17
  6. Step 6: Final answer
    x = 2,557.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.