Home / 5,093.60-7,029.11-2,855.57

Finding the Fourth Proportional to 5,093.60, 7,029.11 and 2,855.57

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Solution

The fourth proportional to 5,093.60, 7,029.11 and 2,855.57 is: 3,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.60 : 7,029.11 = 2,855.57 : x
  2. Step 2: Convert to fraction form
    5,093.60/7,029.11 = 2,855.57/x
  3. Step 3: Cross multiply
    5,093.60x = 7,029.11 × 2,855.57
  4. Step 4: Simplify right side
    5,093.60x = 20,072,066.22
  5. Step 5: Solve for x
    x = 20,072,066.22/5,093.60
  6. Step 6: Final answer
    x = 3,940.65

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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.