Home / 6,213.66-8,575.20-3,561.51

Finding the Fourth Proportional to 6,213.66, 8,575.20 and 3,561.51

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Solution

The fourth proportional to 6,213.66, 8,575.20 and 3,561.51 is: 4,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.66 : 8,575.20 = 3,561.51 : x
  2. Step 2: Convert to fraction form
    6,213.66/8,575.20 = 3,561.51/x
  3. Step 3: Cross multiply
    6,213.66x = 8,575.20 × 3,561.51
  4. Step 4: Simplify right side
    6,213.66x = 30,540,660.55
  5. Step 5: Solve for x
    x = 30,540,660.55/6,213.66
  6. Step 6: Final answer
    x = 4,915.08

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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.