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Finding the Fourth Proportional to 5,651.86, 7,800.03 and 3,134.76

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Solution

The fourth proportional to 5,651.86, 7,800.03 and 3,134.76 is: 4,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.86 : 7,800.03 = 3,134.76 : x
  2. Step 2: Convert to fraction form
    5,651.86/7,800.03 = 3,134.76/x
  3. Step 3: Cross multiply
    5,651.86x = 7,800.03 × 3,134.76
  4. Step 4: Simplify right side
    5,651.86x = 24,451,222.04
  5. Step 5: Solve for x
    x = 24,451,222.04/5,651.86
  6. Step 6: Final answer
    x = 4,326.23

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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.