Home / 1,919.26-2,881.19-1,301.09

Finding the Fourth Proportional to 1,919.26, 2,881.19 and 1,301.09

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Solution

The fourth proportional to 1,919.26, 2,881.19 and 1,301.09 is: 1,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.26 : 2,881.19 = 1,301.09 : x
  2. Step 2: Convert to fraction form
    1,919.26/2,881.19 = 1,301.09/x
  3. Step 3: Cross multiply
    1,919.26x = 2,881.19 × 1,301.09
  4. Step 4: Simplify right side
    1,919.26x = 3,748,692.55
  5. Step 5: Solve for x
    x = 3,748,692.55/1,919.26
  6. Step 6: Final answer
    x = 1,953.20

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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.