Home / 1,963.56-2,708.61-1,177.44

Finding the Fourth Proportional to 1,963.56, 2,708.61 and 1,177.44

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Solution

The fourth proportional to 1,963.56, 2,708.61 and 1,177.44 is: 1,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.56 : 2,708.61 = 1,177.44 : x
  2. Step 2: Convert to fraction form
    1,963.56/2,708.61 = 1,177.44/x
  3. Step 3: Cross multiply
    1,963.56x = 2,708.61 × 1,177.44
  4. Step 4: Simplify right side
    1,963.56x = 3,189,225.76
  5. Step 5: Solve for x
    x = 3,189,225.76/1,963.56
  6. Step 6: Final answer
    x = 1,624.21

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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.