Home / 1,195.58-1,651.23-1,137.26

Finding the Fourth Proportional to 1,195.58, 1,651.23 and 1,137.26

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Solution

The fourth proportional to 1,195.58, 1,651.23 and 1,137.26 is: 1,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.58 : 1,651.23 = 1,137.26 : x
  2. Step 2: Convert to fraction form
    1,195.58/1,651.23 = 1,137.26/x
  3. Step 3: Cross multiply
    1,195.58x = 1,651.23 × 1,137.26
  4. Step 4: Simplify right side
    1,195.58x = 1,877,869.57
  5. Step 5: Solve for x
    x = 1,877,869.57/1,195.58
  6. Step 6: Final answer
    x = 1,570.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.