Home / 5,216.13-7,198.56-3,091.77

Finding the Fourth Proportional to 5,216.13, 7,198.56 and 3,091.77

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Solution

The fourth proportional to 5,216.13, 7,198.56 and 3,091.77 is: 4,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.13 : 7,198.56 = 3,091.77 : x
  2. Step 2: Convert to fraction form
    5,216.13/7,198.56 = 3,091.77/x
  3. Step 3: Cross multiply
    5,216.13x = 7,198.56 × 3,091.77
  4. Step 4: Simplify right side
    5,216.13x = 22,256,291.85
  5. Step 5: Solve for x
    x = 22,256,291.85/5,216.13
  6. Step 6: Final answer
    x = 4,266.82

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1.5x scale

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.