Home / 3,110.12-4,292.01-1,693.83

Finding the Fourth Proportional to 3,110.12, 4,292.01 and 1,693.83

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Solution

The fourth proportional to 3,110.12, 4,292.01 and 1,693.83 is: 2,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.12 : 4,292.01 = 1,693.83 : x
  2. Step 2: Convert to fraction form
    3,110.12/4,292.01 = 1,693.83/x
  3. Step 3: Cross multiply
    3,110.12x = 4,292.01 × 1,693.83
  4. Step 4: Simplify right side
    3,110.12x = 7,269,935.30
  5. Step 5: Solve for x
    x = 7,269,935.30/3,110.12
  6. Step 6: Final answer
    x = 2,337.51

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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.