Home / 5,042.61-7,563.98-1,922.78

Finding the Fourth Proportional to 5,042.61, 7,563.98 and 1,922.78

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Solution

The fourth proportional to 5,042.61, 7,563.98 and 1,922.78 is: 2,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.61 : 7,563.98 = 1,922.78 : x
  2. Step 2: Convert to fraction form
    5,042.61/7,563.98 = 1,922.78/x
  3. Step 3: Cross multiply
    5,042.61x = 7,563.98 × 1,922.78
  4. Step 4: Simplify right side
    5,042.61x = 14,543,893.18
  5. Step 5: Solve for x
    x = 14,543,893.18/5,042.61
  6. Step 6: Final answer
    x = 2,884.20

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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.