Home / 6,197.78-8,557.38-3,810.96

Finding the Fourth Proportional to 6,197.78, 8,557.38 and 3,810.96

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Solution

The fourth proportional to 6,197.78, 8,557.38 and 3,810.96 is: 5,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,197.78 : 8,557.38 = 3,810.96 : x
  2. Step 2: Convert to fraction form
    6,197.78/8,557.38 = 3,810.96/x
  3. Step 3: Cross multiply
    6,197.78x = 8,557.38 × 3,810.96
  4. Step 4: Simplify right side
    6,197.78x = 32,611,832.88
  5. Step 5: Solve for x
    x = 32,611,832.88/6,197.78
  6. Step 6: Final answer
    x = 5,261.86

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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.