Home / 3,192.53-4,790.25-1,438.02

Finding the Fourth Proportional to 3,192.53, 4,790.25 and 1,438.02

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Solution

The fourth proportional to 3,192.53, 4,790.25 and 1,438.02 is: 2,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.53 : 4,790.25 = 1,438.02 : x
  2. Step 2: Convert to fraction form
    3,192.53/4,790.25 = 1,438.02/x
  3. Step 3: Cross multiply
    3,192.53x = 4,790.25 × 1,438.02
  4. Step 4: Simplify right side
    3,192.53x = 6,888,475.31
  5. Step 5: Solve for x
    x = 6,888,475.31/3,192.53
  6. Step 6: Final answer
    x = 2,157.69

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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.