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Finding the Fourth Proportional to 2,415.93, 3,333.96 and 1,367.99

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Solution

The fourth proportional to 2,415.93, 3,333.96 and 1,367.99 is: 1,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.93 : 3,333.96 = 1,367.99 : x
  2. Step 2: Convert to fraction form
    2,415.93/3,333.96 = 1,367.99/x
  3. Step 3: Cross multiply
    2,415.93x = 3,333.96 × 1,367.99
  4. Step 4: Simplify right side
    2,415.93x = 4,560,819.77
  5. Step 5: Solve for x
    x = 4,560,819.77/2,415.93
  6. Step 6: Final answer
    x = 1,887.81

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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.