Home / 2,105.32-2,902.23-1,349.02

Finding the Fourth Proportional to 2,105.32, 2,902.23 and 1,349.02

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Solution

The fourth proportional to 2,105.32, 2,902.23 and 1,349.02 is: 1,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105.32 : 2,902.23 = 1,349.02 : x
  2. Step 2: Convert to fraction form
    2,105.32/2,902.23 = 1,349.02/x
  3. Step 3: Cross multiply
    2,105.32x = 2,902.23 × 1,349.02
  4. Step 4: Simplify right side
    2,105.32x = 3,915,166.31
  5. Step 5: Solve for x
    x = 3,915,166.31/2,105.32
  6. Step 6: Final answer
    x = 1,859.65

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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.