Home / 2,178.66-3,006.53-1,183.93

Finding the Fourth Proportional to 2,178.66, 3,006.53 and 1,183.93

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Solution

The fourth proportional to 2,178.66, 3,006.53 and 1,183.93 is: 1,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.66 : 3,006.53 = 1,183.93 : x
  2. Step 2: Convert to fraction form
    2,178.66/3,006.53 = 1,183.93/x
  3. Step 3: Cross multiply
    2,178.66x = 3,006.53 × 1,183.93
  4. Step 4: Simplify right side
    2,178.66x = 3,559,535.64
  5. Step 5: Solve for x
    x = 3,559,535.64/2,178.66
  6. Step 6: Final answer
    x = 1,633.82

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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.