Home / 1,877.35-2,819.27-1,151.19

Finding the Fourth Proportional to 1,877.35, 2,819.27 and 1,151.19

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Solution

The fourth proportional to 1,877.35, 2,819.27 and 1,151.19 is: 1,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.35 : 2,819.27 = 1,151.19 : x
  2. Step 2: Convert to fraction form
    1,877.35/2,819.27 = 1,151.19/x
  3. Step 3: Cross multiply
    1,877.35x = 2,819.27 × 1,151.19
  4. Step 4: Simplify right side
    1,877.35x = 3,245,515.43
  5. Step 5: Solve for x
    x = 3,245,515.43/1,877.35
  6. Step 6: Final answer
    x = 1,728.77

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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.