Home / 2,692.98-4,040.61-1,358.07

Finding the Fourth Proportional to 2,692.98, 4,040.61 and 1,358.07

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Solution

The fourth proportional to 2,692.98, 4,040.61 and 1,358.07 is: 2,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.98 : 4,040.61 = 1,358.07 : x
  2. Step 2: Convert to fraction form
    2,692.98/4,040.61 = 1,358.07/x
  3. Step 3: Cross multiply
    2,692.98x = 4,040.61 × 1,358.07
  4. Step 4: Simplify right side
    2,692.98x = 5,487,431.22
  5. Step 5: Solve for x
    x = 5,487,431.22/2,692.98
  6. Step 6: Final answer
    x = 2,037.68

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Why These Related Problems?

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