Home / 3,708.91-5,563.37-1,111.85

Finding the Fourth Proportional to 3,708.91, 5,563.37 and 1,111.85

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Solution

The fourth proportional to 3,708.91, 5,563.37 and 1,111.85 is: 1,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.91 : 5,563.37 = 1,111.85 : x
  2. Step 2: Convert to fraction form
    3,708.91/5,563.37 = 1,111.85/x
  3. Step 3: Cross multiply
    3,708.91x = 5,563.37 × 1,111.85
  4. Step 4: Simplify right side
    3,708.91x = 6,185,627.38
  5. Step 5: Solve for x
    x = 6,185,627.38/3,708.91
  6. Step 6: Final answer
    x = 1,667.78

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1.5x scale

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.