Home / 2,850.60-3,933.76-1,716.96

Finding the Fourth Proportional to 2,850.60, 3,933.76 and 1,716.96

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Solution

The fourth proportional to 2,850.60, 3,933.76 and 1,716.96 is: 2,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.60 : 3,933.76 = 1,716.96 : x
  2. Step 2: Convert to fraction form
    2,850.60/3,933.76 = 1,716.96/x
  3. Step 3: Cross multiply
    2,850.60x = 3,933.76 × 1,716.96
  4. Step 4: Simplify right side
    2,850.60x = 6,754,108.57
  5. Step 5: Solve for x
    x = 6,754,108.57/2,850.60
  6. Step 6: Final answer
    x = 2,369.36

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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.