Home / 1,196.25-1,652.09-1,065.80

Finding the Fourth Proportional to 1,196.25, 1,652.09 and 1,065.80

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Solution

The fourth proportional to 1,196.25, 1,652.09 and 1,065.80 is: 1,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.25 : 1,652.09 = 1,065.80 : x
  2. Step 2: Convert to fraction form
    1,196.25/1,652.09 = 1,065.80/x
  3. Step 3: Cross multiply
    1,196.25x = 1,652.09 × 1,065.80
  4. Step 4: Simplify right side
    1,196.25x = 1,760,794.86
  5. Step 5: Solve for x
    x = 1,760,794.86/1,196.25
  6. Step 6: Final answer
    x = 1,471.93

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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.