Home / 1,919.26-2,877.18-1,628.62

Finding the Fourth Proportional to 1,919.26, 2,877.18 and 1,628.62

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Solution

The fourth proportional to 1,919.26, 2,877.18 and 1,628.62 is: 2,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.26 : 2,877.18 = 1,628.62 : x
  2. Step 2: Convert to fraction form
    1,919.26/2,877.18 = 1,628.62/x
  3. Step 3: Cross multiply
    1,919.26x = 2,877.18 × 1,628.62
  4. Step 4: Simplify right side
    1,919.26x = 4,685,832.89
  5. Step 5: Solve for x
    x = 4,685,832.89/1,919.26
  6. Step 6: Final answer
    x = 2,441.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.