Home / 1,790.94-2,470.60-1,126.54

Finding the Fourth Proportional to 1,790.94, 2,470.60 and 1,126.54

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Solution

The fourth proportional to 1,790.94, 2,470.60 and 1,126.54 is: 1,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.94 : 2,470.60 = 1,126.54 : x
  2. Step 2: Convert to fraction form
    1,790.94/2,470.60 = 1,126.54/x
  3. Step 3: Cross multiply
    1,790.94x = 2,470.60 × 1,126.54
  4. Step 4: Simplify right side
    1,790.94x = 2,783,229.72
  5. Step 5: Solve for x
    x = 2,783,229.72/1,790.94
  6. Step 6: Final answer
    x = 1,554.06

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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.