Home / 6,220.88-8,585.04-3,531.96

Finding the Fourth Proportional to 6,220.88, 8,585.04 and 3,531.96

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Solution

The fourth proportional to 6,220.88, 8,585.04 and 3,531.96 is: 4,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.88 : 8,585.04 = 3,531.96 : x
  2. Step 2: Convert to fraction form
    6,220.88/8,585.04 = 3,531.96/x
  3. Step 3: Cross multiply
    6,220.88x = 8,585.04 × 3,531.96
  4. Step 4: Simplify right side
    6,220.88x = 30,322,017.88
  5. Step 5: Solve for x
    x = 30,322,017.88/6,220.88
  6. Step 6: Final answer
    x = 4,874.23

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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.