Home / 5,738.58-7,918.76-3,220.36

Finding the Fourth Proportional to 5,738.58, 7,918.76 and 3,220.36

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Solution

The fourth proportional to 5,738.58, 7,918.76 and 3,220.36 is: 4,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.58 : 7,918.76 = 3,220.36 : x
  2. Step 2: Convert to fraction form
    5,738.58/7,918.76 = 3,220.36/x
  3. Step 3: Cross multiply
    5,738.58x = 7,918.76 × 3,220.36
  4. Step 4: Simplify right side
    5,738.58x = 25,501,257.95
  5. Step 5: Solve for x
    x = 25,501,257.95/5,738.58
  6. Step 6: Final answer
    x = 4,443.83

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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.