Home / 3,076.48-4,245.14-1,749.80

Finding the Fourth Proportional to 3,076.48, 4,245.14 and 1,749.80

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Solution

The fourth proportional to 3,076.48, 4,245.14 and 1,749.80 is: 2,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.48 : 4,245.14 = 1,749.80 : x
  2. Step 2: Convert to fraction form
    3,076.48/4,245.14 = 1,749.80/x
  3. Step 3: Cross multiply
    3,076.48x = 4,245.14 × 1,749.80
  4. Step 4: Simplify right side
    3,076.48x = 7,428,145.97
  5. Step 5: Solve for x
    x = 7,428,145.97/3,076.48
  6. Step 6: Final answer
    x = 2,414.50

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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.