Home / 3,040.09-4,190.40-2,200.84

Finding the Fourth Proportional to 3,040.09, 4,190.40 and 2,200.84

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Solution

The fourth proportional to 3,040.09, 4,190.40 and 2,200.84 is: 3,033.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.09 : 4,190.40 = 2,200.84 : x
  2. Step 2: Convert to fraction form
    3,040.09/4,190.40 = 2,200.84/x
  3. Step 3: Cross multiply
    3,040.09x = 4,190.40 × 2,200.84
  4. Step 4: Simplify right side
    3,040.09x = 9,222,389.46
  5. Step 5: Solve for x
    x = 9,222,389.46/3,040.09
  6. Step 6: Final answer
    x = 3,033.59

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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.