Home / 5,755.70-7,926.26-3,984.24

Finding the Fourth Proportional to 5,755.70, 7,926.26 and 3,984.24

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Solution

The fourth proportional to 5,755.70, 7,926.26 and 3,984.24 is: 5,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.70 : 7,926.26 = 3,984.24 : x
  2. Step 2: Convert to fraction form
    5,755.70/7,926.26 = 3,984.24/x
  3. Step 3: Cross multiply
    5,755.70x = 7,926.26 × 3,984.24
  4. Step 4: Simplify right side
    5,755.70x = 31,580,122.14
  5. Step 5: Solve for x
    x = 31,580,122.14/5,755.70
  6. Step 6: Final answer
    x = 5,486.76

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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.