Home / 4,757.85-7,139.48-1,836.33

Finding the Fourth Proportional to 4,757.85, 7,139.48 and 1,836.33

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Solution

The fourth proportional to 4,757.85, 7,139.48 and 1,836.33 is: 2,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.85 : 7,139.48 = 1,836.33 : x
  2. Step 2: Convert to fraction form
    4,757.85/7,139.48 = 1,836.33/x
  3. Step 3: Cross multiply
    4,757.85x = 7,139.48 × 1,836.33
  4. Step 4: Simplify right side
    4,757.85x = 13,110,432.13
  5. Step 5: Solve for x
    x = 13,110,432.13/4,757.85
  6. Step 6: Final answer
    x = 2,755.54

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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.