Home / 1,777.93-2,661.70-1,185.61

Finding the Fourth Proportional to 1,777.93, 2,661.70 and 1,185.61

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Solution

The fourth proportional to 1,777.93, 2,661.70 and 1,185.61 is: 1,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.93 : 2,661.70 = 1,185.61 : x
  2. Step 2: Convert to fraction form
    1,777.93/2,661.70 = 1,185.61/x
  3. Step 3: Cross multiply
    1,777.93x = 2,661.70 × 1,185.61
  4. Step 4: Simplify right side
    1,777.93x = 3,155,738.14
  5. Step 5: Solve for x
    x = 3,155,738.14/1,777.93
  6. Step 6: Final answer
    x = 1,774.95

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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.