Home / 3,842.12-5,761.90-1,501.52

Finding the Fourth Proportional to 3,842.12, 5,761.90 and 1,501.52

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Solution

The fourth proportional to 3,842.12, 5,761.90 and 1,501.52 is: 2,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.12 : 5,761.90 = 1,501.52 : x
  2. Step 2: Convert to fraction form
    3,842.12/5,761.90 = 1,501.52/x
  3. Step 3: Cross multiply
    3,842.12x = 5,761.90 × 1,501.52
  4. Step 4: Simplify right side
    3,842.12x = 8,651,608.09
  5. Step 5: Solve for x
    x = 8,651,608.09/3,842.12
  6. Step 6: Final answer
    x = 2,251.78

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1.5x scale

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.