Home / 1,190.24-1,788.05-1,026.21

Finding the Fourth Proportional to 1,190.24, 1,788.05 and 1,026.21

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Solution

The fourth proportional to 1,190.24, 1,788.05 and 1,026.21 is: 1,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.24 : 1,788.05 = 1,026.21 : x
  2. Step 2: Convert to fraction form
    1,190.24/1,788.05 = 1,026.21/x
  3. Step 3: Cross multiply
    1,190.24x = 1,788.05 × 1,026.21
  4. Step 4: Simplify right side
    1,190.24x = 1,834,917.36
  5. Step 5: Solve for x
    x = 1,834,917.36/1,190.24
  6. Step 6: Final answer
    x = 1,541.64

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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.