Home / 2,808.06-3,873.86-1,628.44

Finding the Fourth Proportional to 2,808.06, 3,873.86 and 1,628.44

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Solution

The fourth proportional to 2,808.06, 3,873.86 and 1,628.44 is: 2,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.06 : 3,873.86 = 1,628.44 : x
  2. Step 2: Convert to fraction form
    2,808.06/3,873.86 = 1,628.44/x
  3. Step 3: Cross multiply
    2,808.06x = 3,873.86 × 1,628.44
  4. Step 4: Simplify right side
    2,808.06x = 6,308,364.37
  5. Step 5: Solve for x
    x = 6,308,364.37/2,808.06
  6. Step 6: Final answer
    x = 2,246.52

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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.