Home / 2,328.97-3,212.75-1,768.51

Finding the Fourth Proportional to 2,328.97, 3,212.75 and 1,768.51

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Solution

The fourth proportional to 2,328.97, 3,212.75 and 1,768.51 is: 2,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.97 : 3,212.75 = 1,768.51 : x
  2. Step 2: Convert to fraction form
    2,328.97/3,212.75 = 1,768.51/x
  3. Step 3: Cross multiply
    2,328.97x = 3,212.75 × 1,768.51
  4. Step 4: Simplify right side
    2,328.97x = 5,681,755.60
  5. Step 5: Solve for x
    x = 5,681,755.60/2,328.97
  6. Step 6: Final answer
    x = 2,439.61

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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.