Home / 5,872.58-8,104.15-3,220.16

Finding the Fourth Proportional to 5,872.58, 8,104.15 and 3,220.16

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Solution

The fourth proportional to 5,872.58, 8,104.15 and 3,220.16 is: 4,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.58 : 8,104.15 = 3,220.16 : x
  2. Step 2: Convert to fraction form
    5,872.58/8,104.15 = 3,220.16/x
  3. Step 3: Cross multiply
    5,872.58x = 8,104.15 × 3,220.16
  4. Step 4: Simplify right side
    5,872.58x = 26,096,620.25
  5. Step 5: Solve for x
    x = 26,096,620.25/5,872.58
  6. Step 6: Final answer
    x = 4,443.81

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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.