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Finding the Fourth Proportional to 5,794.88, 8,000.40 and 3,808.76

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Solution

The fourth proportional to 5,794.88, 8,000.40 and 3,808.76 is: 5,258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,794.88 : 8,000.40 = 3,808.76 : x
  2. Step 2: Convert to fraction form
    5,794.88/8,000.40 = 3,808.76/x
  3. Step 3: Cross multiply
    5,794.88x = 8,000.40 × 3,808.76
  4. Step 4: Simplify right side
    5,794.88x = 30,471,603.50
  5. Step 5: Solve for x
    x = 30,471,603.50/5,794.88
  6. Step 6: Final answer
    x = 5,258.37

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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.