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Finding the Fourth Proportional to 3,923.74, 5,887.14 and 1,730.94

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Solution

The fourth proportional to 3,923.74, 5,887.14 and 1,730.94 is: 2,597.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.74 : 5,887.14 = 1,730.94 : x
  2. Step 2: Convert to fraction form
    3,923.74/5,887.14 = 1,730.94/x
  3. Step 3: Cross multiply
    3,923.74x = 5,887.14 × 1,730.94
  4. Step 4: Simplify right side
    3,923.74x = 10,190,286.11
  5. Step 5: Solve for x
    x = 10,190,286.11/3,923.74
  6. Step 6: Final answer
    x = 2,597.08

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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.