Home / 5,491.22-8,235.23-3,150.82

Finding the Fourth Proportional to 5,491.22, 8,235.23 and 3,150.82

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Solution

The fourth proportional to 5,491.22, 8,235.23 and 3,150.82 is: 4,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.22 : 8,235.23 = 3,150.82 : x
  2. Step 2: Convert to fraction form
    5,491.22/8,235.23 = 3,150.82/x
  3. Step 3: Cross multiply
    5,491.22x = 8,235.23 × 3,150.82
  4. Step 4: Simplify right side
    5,491.22x = 25,947,721.93
  5. Step 5: Solve for x
    x = 25,947,721.93/5,491.22
  6. Step 6: Final answer
    x = 4,725.32

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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.