Home / 2,846.80-4,245.08-2,745.28

Finding the Fourth Proportional to 2,846.80, 4,245.08 and 2,745.28

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Solution

The fourth proportional to 2,846.80, 4,245.08 and 2,745.28 is: 4,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.80 : 4,245.08 = 2,745.28 : x
  2. Step 2: Convert to fraction form
    2,846.80/4,245.08 = 2,745.28/x
  3. Step 3: Cross multiply
    2,846.80x = 4,245.08 × 2,745.28
  4. Step 4: Simplify right side
    2,846.80x = 11,653,933.22
  5. Step 5: Solve for x
    x = 11,653,933.22/2,846.80
  6. Step 6: Final answer
    x = 4,093.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.