Home / 2,039.07-2,812.38-1,410.66

Finding the Fourth Proportional to 2,039.07, 2,812.38 and 1,410.66

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Solution

The fourth proportional to 2,039.07, 2,812.38 and 1,410.66 is: 1,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.07 : 2,812.38 = 1,410.66 : x
  2. Step 2: Convert to fraction form
    2,039.07/2,812.38 = 1,410.66/x
  3. Step 3: Cross multiply
    2,039.07x = 2,812.38 × 1,410.66
  4. Step 4: Simplify right side
    2,039.07x = 3,967,311.97
  5. Step 5: Solve for x
    x = 3,967,311.97/2,039.07
  6. Step 6: Final answer
    x = 1,945.65

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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.