Home / 1,968.55-2,945.41-1,174.97

Finding the Fourth Proportional to 1,968.55, 2,945.41 and 1,174.97

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Solution

The fourth proportional to 1,968.55, 2,945.41 and 1,174.97 is: 1,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.55 : 2,945.41 = 1,174.97 : x
  2. Step 2: Convert to fraction form
    1,968.55/2,945.41 = 1,174.97/x
  3. Step 3: Cross multiply
    1,968.55x = 2,945.41 × 1,174.97
  4. Step 4: Simplify right side
    1,968.55x = 3,460,772.81
  5. Step 5: Solve for x
    x = 3,460,772.81/1,968.55
  6. Step 6: Final answer
    x = 1,758.03

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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.