Home / 1,709.21-2,551.32-1,467.29

Finding the Fourth Proportional to 1,709.21, 2,551.32 and 1,467.29

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Solution

The fourth proportional to 1,709.21, 2,551.32 and 1,467.29 is: 2,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.21 : 2,551.32 = 1,467.29 : x
  2. Step 2: Convert to fraction form
    1,709.21/2,551.32 = 1,467.29/x
  3. Step 3: Cross multiply
    1,709.21x = 2,551.32 × 1,467.29
  4. Step 4: Simplify right side
    1,709.21x = 3,743,513.57
  5. Step 5: Solve for x
    x = 3,743,513.57/1,709.21
  6. Step 6: Final answer
    x = 2,190.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.