Home / 3,040.36-4,193.54-2,938.75

Finding the Fourth Proportional to 3,040.36, 4,193.54 and 2,938.75

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Solution

The fourth proportional to 3,040.36, 4,193.54 and 2,938.75 is: 4,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.36 : 4,193.54 = 2,938.75 : x
  2. Step 2: Convert to fraction form
    3,040.36/4,193.54 = 2,938.75/x
  3. Step 3: Cross multiply
    3,040.36x = 4,193.54 × 2,938.75
  4. Step 4: Simplify right side
    3,040.36x = 12,323,765.68
  5. Step 5: Solve for x
    x = 12,323,765.68/3,040.36
  6. Step 6: Final answer
    x = 4,053.39

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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.