Home / 3,109.98-4,291.85-1,693.77

Finding the Fourth Proportional to 3,109.98, 4,291.85 and 1,693.77

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Solution

The fourth proportional to 3,109.98, 4,291.85 and 1,693.77 is: 2,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.98 : 4,291.85 = 1,693.77 : x
  2. Step 2: Convert to fraction form
    3,109.98/4,291.85 = 1,693.77/x
  3. Step 3: Cross multiply
    3,109.98x = 4,291.85 × 1,693.77
  4. Step 4: Simplify right side
    3,109.98x = 7,269,406.77
  5. Step 5: Solve for x
    x = 7,269,406.77/3,109.98
  6. Step 6: Final answer
    x = 2,337.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.