Home / 2,773.19-4,161.83-1,312.66

Finding the Fourth Proportional to 2,773.19, 4,161.83 and 1,312.66

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Solution

The fourth proportional to 2,773.19, 4,161.83 and 1,312.66 is: 1,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.19 : 4,161.83 = 1,312.66 : x
  2. Step 2: Convert to fraction form
    2,773.19/4,161.83 = 1,312.66/x
  3. Step 3: Cross multiply
    2,773.19x = 4,161.83 × 1,312.66
  4. Step 4: Simplify right side
    2,773.19x = 5,463,050.80
  5. Step 5: Solve for x
    x = 5,463,050.80/2,773.19
  6. Step 6: Final answer
    x = 1,969.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.