Home / 5,872.89-8,104.55-3,220.35

Finding the Fourth Proportional to 5,872.89, 8,104.55 and 3,220.35

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Solution

The fourth proportional to 5,872.89, 8,104.55 and 3,220.35 is: 4,444.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.89 : 8,104.55 = 3,220.35 : x
  2. Step 2: Convert to fraction form
    5,872.89/8,104.55 = 3,220.35/x
  3. Step 3: Cross multiply
    5,872.89x = 8,104.55 × 3,220.35
  4. Step 4: Simplify right side
    5,872.89x = 26,099,487.59
  5. Step 5: Solve for x
    x = 26,099,487.59/5,872.89
  6. Step 6: Final answer
    x = 4,444.06

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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.