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Finding the Fourth Proportional to 3,994.88, 5,990.40 and 2,263.04

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Solution

The fourth proportional to 3,994.88, 5,990.40 and 2,263.04 is: 3,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.88 : 5,990.40 = 2,263.04 : x
  2. Step 2: Convert to fraction form
    3,994.88/5,990.40 = 2,263.04/x
  3. Step 3: Cross multiply
    3,994.88x = 5,990.40 × 2,263.04
  4. Step 4: Simplify right side
    3,994.88x = 13,556,514.82
  5. Step 5: Solve for x
    x = 13,556,514.82/3,994.88
  6. Step 6: Final answer
    x = 3,393.47

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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.