Home / 1,449.72-2,175.35-1,371.32

Finding the Fourth Proportional to 1,449.72, 2,175.35 and 1,371.32

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Solution

The fourth proportional to 1,449.72, 2,175.35 and 1,371.32 is: 2,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.72 : 2,175.35 = 1,371.32 : x
  2. Step 2: Convert to fraction form
    1,449.72/2,175.35 = 1,371.32/x
  3. Step 3: Cross multiply
    1,449.72x = 2,175.35 × 1,371.32
  4. Step 4: Simplify right side
    1,449.72x = 2,983,083.23
  5. Step 5: Solve for x
    x = 2,983,083.23/1,449.72
  6. Step 6: Final answer
    x = 2,057.70

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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.