Home / 1,926.11-2,886.77-1,048.61

Finding the Fourth Proportional to 1,926.11, 2,886.77 and 1,048.61

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Solution

The fourth proportional to 1,926.11, 2,886.77 and 1,048.61 is: 1,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.11 : 2,886.77 = 1,048.61 : x
  2. Step 2: Convert to fraction form
    1,926.11/2,886.77 = 1,048.61/x
  3. Step 3: Cross multiply
    1,926.11x = 2,886.77 × 1,048.61
  4. Step 4: Simplify right side
    1,926.11x = 3,027,105.73
  5. Step 5: Solve for x
    x = 3,027,105.73/1,926.11
  6. Step 6: Final answer
    x = 1,571.61

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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.