Home / 4,112.08-5,675.36-2,620.68

Finding the Fourth Proportional to 4,112.08, 5,675.36 and 2,620.68

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Solution

The fourth proportional to 4,112.08, 5,675.36 and 2,620.68 is: 3,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.08 : 5,675.36 = 2,620.68 : x
  2. Step 2: Convert to fraction form
    4,112.08/5,675.36 = 2,620.68/x
  3. Step 3: Cross multiply
    4,112.08x = 5,675.36 × 2,620.68
  4. Step 4: Simplify right side
    4,112.08x = 14,873,302.44
  5. Step 5: Solve for x
    x = 14,873,302.44/4,112.08
  6. Step 6: Final answer
    x = 3,616.98

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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.