Home / 1,513.31-2,267.37-733.68

Finding the Fourth Proportional to 1,513.31, 2,267.37 and 733.68

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Solution

The fourth proportional to 1,513.31, 2,267.37 and 733.68 is: 1,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.31 : 2,267.37 = 733.68 : x
  2. Step 2: Convert to fraction form
    1,513.31/2,267.37 = 733.68/x
  3. Step 3: Cross multiply
    1,513.31x = 2,267.37 × 733.68
  4. Step 4: Simplify right side
    1,513.31x = 1,663,524.02
  5. Step 5: Solve for x
    x = 1,663,524.02/1,513.31
  6. Step 6: Final answer
    x = 1,099.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.