Home / 2,783.68-4,173.53-1,396.01

Finding the Fourth Proportional to 2,783.68, 4,173.53 and 1,396.01

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Solution

The fourth proportional to 2,783.68, 4,173.53 and 1,396.01 is: 2,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.68 : 4,173.53 = 1,396.01 : x
  2. Step 2: Convert to fraction form
    2,783.68/4,173.53 = 1,396.01/x
  3. Step 3: Cross multiply
    2,783.68x = 4,173.53 × 1,396.01
  4. Step 4: Simplify right side
    2,783.68x = 5,826,303.54
  5. Step 5: Solve for x
    x = 5,826,303.54/2,783.68
  6. Step 6: Final answer
    x = 2,093.02

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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.