Home / 4,845.36-6,686.60-2,749.49

Finding the Fourth Proportional to 4,845.36, 6,686.60 and 2,749.49

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Solution

The fourth proportional to 4,845.36, 6,686.60 and 2,749.49 is: 3,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.36 : 6,686.60 = 2,749.49 : x
  2. Step 2: Convert to fraction form
    4,845.36/6,686.60 = 2,749.49/x
  3. Step 3: Cross multiply
    4,845.36x = 6,686.60 × 2,749.49
  4. Step 4: Simplify right side
    4,845.36x = 18,384,692.65
  5. Step 5: Solve for x
    x = 18,384,692.65/4,845.36
  6. Step 6: Final answer
    x = 3,794.29

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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.