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Finding the Fourth Proportional to 3,799.48, 5,700.04 and 2,156.80

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Solution

The fourth proportional to 3,799.48, 5,700.04 and 2,156.80 is: 3,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.48 : 5,700.04 = 2,156.80 : x
  2. Step 2: Convert to fraction form
    3,799.48/5,700.04 = 2,156.80/x
  3. Step 3: Cross multiply
    3,799.48x = 5,700.04 × 2,156.80
  4. Step 4: Simplify right side
    3,799.48x = 12,293,846.27
  5. Step 5: Solve for x
    x = 12,293,846.27/3,799.48
  6. Step 6: Final answer
    x = 3,235.67

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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.