Home / 5,805.06-8,013.26-3,917.76

Finding the Fourth Proportional to 5,805.06, 8,013.26 and 3,917.76

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Solution

The fourth proportional to 5,805.06, 8,013.26 and 3,917.76 is: 5,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.06 : 8,013.26 = 3,917.76 : x
  2. Step 2: Convert to fraction form
    5,805.06/8,013.26 = 3,917.76/x
  3. Step 3: Cross multiply
    5,805.06x = 8,013.26 × 3,917.76
  4. Step 4: Simplify right side
    5,805.06x = 31,394,029.50
  5. Step 5: Solve for x
    x = 31,394,029.50/5,805.06
  6. Step 6: Final answer
    x = 5,408.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.