Home / 2,052.05-2,831.82-1,167.90

Finding the Fourth Proportional to 2,052.05, 2,831.82 and 1,167.90

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Solution

The fourth proportional to 2,052.05, 2,831.82 and 1,167.90 is: 1,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.05 : 2,831.82 = 1,167.90 : x
  2. Step 2: Convert to fraction form
    2,052.05/2,831.82 = 1,167.90/x
  3. Step 3: Cross multiply
    2,052.05x = 2,831.82 × 1,167.90
  4. Step 4: Simplify right side
    2,052.05x = 3,307,283.51
  5. Step 5: Solve for x
    x = 3,307,283.51/2,052.05
  6. Step 6: Final answer
    x = 1,611.70

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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.