Home / 1,712.14-2,361.69-1,433.77

Finding the Fourth Proportional to 1,712.14, 2,361.69 and 1,433.77

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Solution

The fourth proportional to 1,712.14, 2,361.69 and 1,433.77 is: 1,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.14 : 2,361.69 = 1,433.77 : x
  2. Step 2: Convert to fraction form
    1,712.14/2,361.69 = 1,433.77/x
  3. Step 3: Cross multiply
    1,712.14x = 2,361.69 × 1,433.77
  4. Step 4: Simplify right side
    1,712.14x = 3,386,114.37
  5. Step 5: Solve for x
    x = 3,386,114.37/1,712.14
  6. Step 6: Final answer
    x = 1,977.71

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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.