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Finding the Fourth Proportional to 3,161.95, 4,362.27 and 1,835.41

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Solution

The fourth proportional to 3,161.95, 4,362.27 and 1,835.41 is: 2,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.95 : 4,362.27 = 1,835.41 : x
  2. Step 2: Convert to fraction form
    3,161.95/4,362.27 = 1,835.41/x
  3. Step 3: Cross multiply
    3,161.95x = 4,362.27 × 1,835.41
  4. Step 4: Simplify right side
    3,161.95x = 8,006,553.98
  5. Step 5: Solve for x
    x = 8,006,553.98/3,161.95
  6. Step 6: Final answer
    x = 2,532.16

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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.