Home / 1,196.24-1,651.08-730.96

Finding the Fourth Proportional to 1,196.24, 1,651.08 and 730.96

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Solution

The fourth proportional to 1,196.24, 1,651.08 and 730.96 is: 1,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.24 : 1,651.08 = 730.96 : x
  2. Step 2: Convert to fraction form
    1,196.24/1,651.08 = 730.96/x
  3. Step 3: Cross multiply
    1,196.24x = 1,651.08 × 730.96
  4. Step 4: Simplify right side
    1,196.24x = 1,206,873.44
  5. Step 5: Solve for x
    x = 1,206,873.44/1,196.24
  6. Step 6: Final answer
    x = 1,008.89

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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.