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Finding the Fourth Proportional to 3,798.38, 5,695.50 and 1,332.98

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Solution

The fourth proportional to 3,798.38, 5,695.50 and 1,332.98 is: 1,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.38 : 5,695.50 = 1,332.98 : x
  2. Step 2: Convert to fraction form
    3,798.38/5,695.50 = 1,332.98/x
  3. Step 3: Cross multiply
    3,798.38x = 5,695.50 × 1,332.98
  4. Step 4: Simplify right side
    3,798.38x = 7,591,987.59
  5. Step 5: Solve for x
    x = 7,591,987.59/3,798.38
  6. Step 6: Final answer
    x = 1,998.74

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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.