Home / 2,190.08-3,282.63-1,926.02

Finding the Fourth Proportional to 2,190.08, 3,282.63 and 1,926.02

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Solution

The fourth proportional to 2,190.08, 3,282.63 and 1,926.02 is: 2,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.08 : 3,282.63 = 1,926.02 : x
  2. Step 2: Convert to fraction form
    2,190.08/3,282.63 = 1,926.02/x
  3. Step 3: Cross multiply
    2,190.08x = 3,282.63 × 1,926.02
  4. Step 4: Simplify right side
    2,190.08x = 6,322,406.93
  5. Step 5: Solve for x
    x = 6,322,406.93/2,190.08
  6. Step 6: Final answer
    x = 2,886.84

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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.