Home / 2,693.62-4,038.54-1,394.38

Finding the Fourth Proportional to 2,693.62, 4,038.54 and 1,394.38

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Solution

The fourth proportional to 2,693.62, 4,038.54 and 1,394.38 is: 2,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.62 : 4,038.54 = 1,394.38 : x
  2. Step 2: Convert to fraction form
    2,693.62/4,038.54 = 1,394.38/x
  3. Step 3: Cross multiply
    2,693.62x = 4,038.54 × 1,394.38
  4. Step 4: Simplify right side
    2,693.62x = 5,631,259.41
  5. Step 5: Solve for x
    x = 5,631,259.41/2,693.62
  6. Step 6: Final answer
    x = 2,090.59

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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.