Home / 3,190.48-4,405.00-2,853.33

Finding the Fourth Proportional to 3,190.48, 4,405.00 and 2,853.33

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Solution

The fourth proportional to 3,190.48, 4,405.00 and 2,853.33 is: 3,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.48 : 4,405.00 = 2,853.33 : x
  2. Step 2: Convert to fraction form
    3,190.48/4,405.00 = 2,853.33/x
  3. Step 3: Cross multiply
    3,190.48x = 4,405.00 × 2,853.33
  4. Step 4: Simplify right side
    3,190.48x = 12,568,914.77
  5. Step 5: Solve for x
    x = 12,568,914.77/3,190.48
  6. Step 6: Final answer
    x = 3,939.51

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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.