Home / 5,885.17-8,121.50-3,196.36

Finding the Fourth Proportional to 5,885.17, 8,121.50 and 3,196.36

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Solution

The fourth proportional to 5,885.17, 8,121.50 and 3,196.36 is: 4,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.17 : 8,121.50 = 3,196.36 : x
  2. Step 2: Convert to fraction form
    5,885.17/8,121.50 = 3,196.36/x
  3. Step 3: Cross multiply
    5,885.17x = 8,121.50 × 3,196.36
  4. Step 4: Simplify right side
    5,885.17x = 25,959,186.23
  5. Step 5: Solve for x
    x = 25,959,186.23/5,885.17
  6. Step 6: Final answer
    x = 4,410.95

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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.