Home / 6,207.96-8,565.62-3,940.04

Finding the Fourth Proportional to 6,207.96, 8,565.62 and 3,940.04

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Solution

The fourth proportional to 6,207.96, 8,565.62 and 3,940.04 is: 5,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.96 : 8,565.62 = 3,940.04 : x
  2. Step 2: Convert to fraction form
    6,207.96/8,565.62 = 3,940.04/x
  3. Step 3: Cross multiply
    6,207.96x = 8,565.62 × 3,940.04
  4. Step 4: Simplify right side
    6,207.96x = 33,748,885.42
  5. Step 5: Solve for x
    x = 33,748,885.42/6,207.96
  6. Step 6: Final answer
    x = 5,436.39

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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.