Home / 5,872.74-8,104.40-3,220.19

Finding the Fourth Proportional to 5,872.74, 8,104.40 and 3,220.19

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Solution

The fourth proportional to 5,872.74, 8,104.40 and 3,220.19 is: 4,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.74 : 8,104.40 = 3,220.19 : x
  2. Step 2: Convert to fraction form
    5,872.74/8,104.40 = 3,220.19/x
  3. Step 3: Cross multiply
    5,872.74x = 8,104.40 × 3,220.19
  4. Step 4: Simplify right side
    5,872.74x = 26,097,651.21
  5. Step 5: Solve for x
    x = 26,097,651.21/5,872.74
  6. Step 6: Final answer
    x = 4,443.86

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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.