Home / 1,919.03-2,876.27-1,097.87

Finding the Fourth Proportional to 1,919.03, 2,876.27 and 1,097.87

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Solution

The fourth proportional to 1,919.03, 2,876.27 and 1,097.87 is: 1,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.03 : 2,876.27 = 1,097.87 : x
  2. Step 2: Convert to fraction form
    1,919.03/2,876.27 = 1,097.87/x
  3. Step 3: Cross multiply
    1,919.03x = 2,876.27 × 1,097.87
  4. Step 4: Simplify right side
    1,919.03x = 3,157,765.06
  5. Step 5: Solve for x
    x = 3,157,765.06/1,919.03
  6. Step 6: Final answer
    x = 1,645.50

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1.5x scale

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.