Home / 2,039.66-2,811.94-1,401.58

Finding the Fourth Proportional to 2,039.66, 2,811.94 and 1,401.58

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Solution

The fourth proportional to 2,039.66, 2,811.94 and 1,401.58 is: 1,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.66 : 2,811.94 = 1,401.58 : x
  2. Step 2: Convert to fraction form
    2,039.66/2,811.94 = 1,401.58/x
  3. Step 3: Cross multiply
    2,039.66x = 2,811.94 × 1,401.58
  4. Step 4: Simplify right side
    2,039.66x = 3,941,158.87
  5. Step 5: Solve for x
    x = 3,941,158.87/2,039.66
  6. Step 6: Final answer
    x = 1,932.26

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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.