Home / 3,076.27-4,245.45-1,750.12

Finding the Fourth Proportional to 3,076.27, 4,245.45 and 1,750.12

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Solution

The fourth proportional to 3,076.27, 4,245.45 and 1,750.12 is: 2,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.27 : 4,245.45 = 1,750.12 : x
  2. Step 2: Convert to fraction form
    3,076.27/4,245.45 = 1,750.12/x
  3. Step 3: Cross multiply
    3,076.27x = 4,245.45 × 1,750.12
  4. Step 4: Simplify right side
    3,076.27x = 7,430,046.95
  5. Step 5: Solve for x
    x = 7,430,046.95/3,076.27
  6. Step 6: Final answer
    x = 2,415.28

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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.