Home / 2,933.72-4,047.90-1,739.08

Finding the Fourth Proportional to 2,933.72, 4,047.90 and 1,739.08

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Solution

The fourth proportional to 2,933.72, 4,047.90 and 1,739.08 is: 2,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.72 : 4,047.90 = 1,739.08 : x
  2. Step 2: Convert to fraction form
    2,933.72/4,047.90 = 1,739.08/x
  3. Step 3: Cross multiply
    2,933.72x = 4,047.90 × 1,739.08
  4. Step 4: Simplify right side
    2,933.72x = 7,039,611.81
  5. Step 5: Solve for x
    x = 7,039,611.81/2,933.72
  6. Step 6: Final answer
    x = 2,399.55

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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.