Home / 3,195.37-4,409.40-1,798.39

Finding the Fourth Proportional to 3,195.37, 4,409.40 and 1,798.39

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Solution

The fourth proportional to 3,195.37, 4,409.40 and 1,798.39 is: 2,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.37 : 4,409.40 = 1,798.39 : x
  2. Step 2: Convert to fraction form
    3,195.37/4,409.40 = 1,798.39/x
  3. Step 3: Cross multiply
    3,195.37x = 4,409.40 × 1,798.39
  4. Step 4: Simplify right side
    3,195.37x = 7,929,820.87
  5. Step 5: Solve for x
    x = 7,929,820.87/3,195.37
  6. Step 6: Final answer
    x = 2,481.66

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Double scale
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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.