Home / 2,051.97-2,831.96-1,167.90

Finding the Fourth Proportional to 2,051.97, 2,831.96 and 1,167.90

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Solution

The fourth proportional to 2,051.97, 2,831.96 and 1,167.90 is: 1,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.97 : 2,831.96 = 1,167.90 : x
  2. Step 2: Convert to fraction form
    2,051.97/2,831.96 = 1,167.90/x
  3. Step 3: Cross multiply
    2,051.97x = 2,831.96 × 1,167.90
  4. Step 4: Simplify right side
    2,051.97x = 3,307,440.24
  5. Step 5: Solve for x
    x = 3,307,440.24/2,051.97
  6. Step 6: Final answer
    x = 1,611.84

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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.