Home / 2,168.70-2,995.68-1,933.58

Finding the Fourth Proportional to 2,168.70, 2,995.68 and 1,933.58

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Solution

The fourth proportional to 2,168.70, 2,995.68 and 1,933.58 is: 2,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.70 : 2,995.68 = 1,933.58 : x
  2. Step 2: Convert to fraction form
    2,168.70/2,995.68 = 1,933.58/x
  3. Step 3: Cross multiply
    2,168.70x = 2,995.68 × 1,933.58
  4. Step 4: Simplify right side
    2,168.70x = 5,792,386.93
  5. Step 5: Solve for x
    x = 5,792,386.93/2,168.70
  6. Step 6: Final answer
    x = 2,670.90

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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.