Home / 3,199.93-4,416.59-2,020.77

Finding the Fourth Proportional to 3,199.93, 4,416.59 and 2,020.77

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Solution

The fourth proportional to 3,199.93, 4,416.59 and 2,020.77 is: 2,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.93 : 4,416.59 = 2,020.77 : x
  2. Step 2: Convert to fraction form
    3,199.93/4,416.59 = 2,020.77/x
  3. Step 3: Cross multiply
    3,199.93x = 4,416.59 × 2,020.77
  4. Step 4: Simplify right side
    3,199.93x = 8,924,917.63
  5. Step 5: Solve for x
    x = 8,924,917.63/3,199.93
  6. Step 6: Final answer
    x = 2,789.10

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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.