Home / 2,093.28-2,888.68-1,161.72

Finding the Fourth Proportional to 2,093.28, 2,888.68 and 1,161.72

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Solution

The fourth proportional to 2,093.28, 2,888.68 and 1,161.72 is: 1,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.28 : 2,888.68 = 1,161.72 : x
  2. Step 2: Convert to fraction form
    2,093.28/2,888.68 = 1,161.72/x
  3. Step 3: Cross multiply
    2,093.28x = 2,888.68 × 1,161.72
  4. Step 4: Simplify right side
    2,093.28x = 3,355,837.33
  5. Step 5: Solve for x
    x = 3,355,837.33/2,093.28
  6. Step 6: Final answer
    x = 1,603.15

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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.