Home / 3,768.70-5,201.76-2,425.22

Finding the Fourth Proportional to 3,768.70, 5,201.76 and 2,425.22

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Solution

The fourth proportional to 3,768.70, 5,201.76 and 2,425.22 is: 3,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.70 : 5,201.76 = 2,425.22 : x
  2. Step 2: Convert to fraction form
    3,768.70/5,201.76 = 2,425.22/x
  3. Step 3: Cross multiply
    3,768.70x = 5,201.76 × 2,425.22
  4. Step 4: Simplify right side
    3,768.70x = 12,615,383.30
  5. Step 5: Solve for x
    x = 12,615,383.30/3,768.70
  6. Step 6: Final answer
    x = 3,347.41

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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.