Home / 3,199.64-4,416.72-1,873.77

Finding the Fourth Proportional to 3,199.64, 4,416.72 and 1,873.77

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Solution

The fourth proportional to 3,199.64, 4,416.72 and 1,873.77 is: 2,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.64 : 4,416.72 = 1,873.77 : x
  2. Step 2: Convert to fraction form
    3,199.64/4,416.72 = 1,873.77/x
  3. Step 3: Cross multiply
    3,199.64x = 4,416.72 × 1,873.77
  4. Step 4: Simplify right side
    3,199.64x = 8,275,917.43
  5. Step 5: Solve for x
    x = 8,275,917.43/3,199.64
  6. Step 6: Final answer
    x = 2,586.52

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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.