Home / 2,942.81-4,061.44-1,700.81

Finding the Fourth Proportional to 2,942.81, 4,061.44 and 1,700.81

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Solution

The fourth proportional to 2,942.81, 4,061.44 and 1,700.81 is: 2,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.81 : 4,061.44 = 1,700.81 : x
  2. Step 2: Convert to fraction form
    2,942.81/4,061.44 = 1,700.81/x
  3. Step 3: Cross multiply
    2,942.81x = 4,061.44 × 1,700.81
  4. Step 4: Simplify right side
    2,942.81x = 6,907,750.05
  5. Step 5: Solve for x
    x = 6,907,750.05/2,942.81
  6. Step 6: Final answer
    x = 2,347.33

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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.