Home / 3,591.96-5,390.06-1,511.84

Finding the Fourth Proportional to 3,591.96, 5,390.06 and 1,511.84

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Solution

The fourth proportional to 3,591.96, 5,390.06 and 1,511.84 is: 2,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.96 : 5,390.06 = 1,511.84 : x
  2. Step 2: Convert to fraction form
    3,591.96/5,390.06 = 1,511.84/x
  3. Step 3: Cross multiply
    3,591.96x = 5,390.06 × 1,511.84
  4. Step 4: Simplify right side
    3,591.96x = 8,148,873.80
  5. Step 5: Solve for x
    x = 8,148,873.80/3,591.96
  6. Step 6: Final answer
    x = 2,268.64

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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.