Home / 5,042.78-7,564.22-1,755.98

Finding the Fourth Proportional to 5,042.78, 7,564.22 and 1,755.98

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Solution

The fourth proportional to 5,042.78, 7,564.22 and 1,755.98 is: 2,633.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.78 : 7,564.22 = 1,755.98 : x
  2. Step 2: Convert to fraction form
    5,042.78/7,564.22 = 1,755.98/x
  3. Step 3: Cross multiply
    5,042.78x = 7,564.22 × 1,755.98
  4. Step 4: Simplify right side
    5,042.78x = 13,282,572.43
  5. Step 5: Solve for x
    x = 13,282,572.43/5,042.78
  6. Step 6: Final answer
    x = 2,633.98

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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.