Home / 1,963.67-2,709.69-1,177.56

Finding the Fourth Proportional to 1,963.67, 2,709.69 and 1,177.56

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Solution

The fourth proportional to 1,963.67, 2,709.69 and 1,177.56 is: 1,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.67 : 2,709.69 = 1,177.56 : x
  2. Step 2: Convert to fraction form
    1,963.67/2,709.69 = 1,177.56/x
  3. Step 3: Cross multiply
    1,963.67x = 2,709.69 × 1,177.56
  4. Step 4: Simplify right side
    1,963.67x = 3,190,822.56
  5. Step 5: Solve for x
    x = 3,190,822.56/1,963.67
  6. Step 6: Final answer
    x = 1,624.93

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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.