Home / 5,093.89-7,029.08-2,855.86

Finding the Fourth Proportional to 5,093.89, 7,029.08 and 2,855.86

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Solution

The fourth proportional to 5,093.89, 7,029.08 and 2,855.86 is: 3,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.89 : 7,029.08 = 2,855.86 : x
  2. Step 2: Convert to fraction form
    5,093.89/7,029.08 = 2,855.86/x
  3. Step 3: Cross multiply
    5,093.89x = 7,029.08 × 2,855.86
  4. Step 4: Simplify right side
    5,093.89x = 20,074,047.27
  5. Step 5: Solve for x
    x = 20,074,047.27/5,093.89
  6. Step 6: Final answer
    x = 3,940.81

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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.