Home / 5,872.15-8,104.08-3,220.07

Finding the Fourth Proportional to 5,872.15, 8,104.08 and 3,220.07

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Solution

The fourth proportional to 5,872.15, 8,104.08 and 3,220.07 is: 4,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.15 : 8,104.08 = 3,220.07 : x
  2. Step 2: Convert to fraction form
    5,872.15/8,104.08 = 3,220.07/x
  3. Step 3: Cross multiply
    5,872.15x = 8,104.08 × 3,220.07
  4. Step 4: Simplify right side
    5,872.15x = 26,095,704.89
  5. Step 5: Solve for x
    x = 26,095,704.89/5,872.15
  6. Step 6: Final answer
    x = 4,443.98

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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.