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Finding the Fourth Proportional to 5,093.58, 7,029.28 and 2,855.40

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Solution

The fourth proportional to 5,093.58, 7,029.28 and 2,855.40 is: 3,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.58 : 7,029.28 = 2,855.40 : x
  2. Step 2: Convert to fraction form
    5,093.58/7,029.28 = 2,855.40/x
  3. Step 3: Cross multiply
    5,093.58x = 7,029.28 × 2,855.40
  4. Step 4: Simplify right side
    5,093.58x = 20,071,422.86
  5. Step 5: Solve for x
    x = 20,071,422.86/5,093.58
  6. Step 6: Final answer
    x = 3,940.53

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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.