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Finding the Fourth Proportional to 3,953.11, 5,929.44 and 2,847.67

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Solution

The fourth proportional to 3,953.11, 5,929.44 and 2,847.67 is: 4,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.11 : 5,929.44 = 2,847.67 : x
  2. Step 2: Convert to fraction form
    3,953.11/5,929.44 = 2,847.67/x
  3. Step 3: Cross multiply
    3,953.11x = 5,929.44 × 2,847.67
  4. Step 4: Simplify right side
    3,953.11x = 16,885,088.40
  5. Step 5: Solve for x
    x = 16,885,088.40/3,953.11
  6. Step 6: Final answer
    x = 4,271.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.