Home / 3,222.10-4,834.70-1,577.75

Finding the Fourth Proportional to 3,222.10, 4,834.70 and 1,577.75

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Solution

The fourth proportional to 3,222.10, 4,834.70 and 1,577.75 is: 2,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.10 : 4,834.70 = 1,577.75 : x
  2. Step 2: Convert to fraction form
    3,222.10/4,834.70 = 1,577.75/x
  3. Step 3: Cross multiply
    3,222.10x = 4,834.70 × 1,577.75
  4. Step 4: Simplify right side
    3,222.10x = 7,627,947.93
  5. Step 5: Solve for x
    x = 7,627,947.93/3,222.10
  6. Step 6: Final answer
    x = 2,367.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.