Home / 1,822.84-2,515.98-1,249.36

Finding the Fourth Proportional to 1,822.84, 2,515.98 and 1,249.36

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Solution

The fourth proportional to 1,822.84, 2,515.98 and 1,249.36 is: 1,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.84 : 2,515.98 = 1,249.36 : x
  2. Step 2: Convert to fraction form
    1,822.84/2,515.98 = 1,249.36/x
  3. Step 3: Cross multiply
    1,822.84x = 2,515.98 × 1,249.36
  4. Step 4: Simplify right side
    1,822.84x = 3,143,364.77
  5. Step 5: Solve for x
    x = 3,143,364.77/1,822.84
  6. Step 6: Final answer
    x = 1,724.43

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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.