Home / 3,040.85-4,190.86-2,253.53

Finding the Fourth Proportional to 3,040.85, 4,190.86 and 2,253.53

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Solution

The fourth proportional to 3,040.85, 4,190.86 and 2,253.53 is: 3,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.85 : 4,190.86 = 2,253.53 : x
  2. Step 2: Convert to fraction form
    3,040.85/4,190.86 = 2,253.53/x
  3. Step 3: Cross multiply
    3,040.85x = 4,190.86 × 2,253.53
  4. Step 4: Simplify right side
    3,040.85x = 9,444,228.74
  5. Step 5: Solve for x
    x = 9,444,228.74/3,040.85
  6. Step 6: Final answer
    x = 3,105.79

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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.