Home / 3,076.09-4,245.36-1,749.99

Finding the Fourth Proportional to 3,076.09, 4,245.36 and 1,749.99

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Solution

The fourth proportional to 3,076.09, 4,245.36 and 1,749.99 is: 2,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.09 : 4,245.36 = 1,749.99 : x
  2. Step 2: Convert to fraction form
    3,076.09/4,245.36 = 1,749.99/x
  3. Step 3: Cross multiply
    3,076.09x = 4,245.36 × 1,749.99
  4. Step 4: Simplify right side
    3,076.09x = 7,429,337.55
  5. Step 5: Solve for x
    x = 7,429,337.55/3,076.09
  6. Step 6: Final answer
    x = 2,415.19

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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.