Home / 3,018.67-4,165.96-1,692.56

Finding the Fourth Proportional to 3,018.67, 4,165.96 and 1,692.56

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Solution

The fourth proportional to 3,018.67, 4,165.96 and 1,692.56 is: 2,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.67 : 4,165.96 = 1,692.56 : x
  2. Step 2: Convert to fraction form
    3,018.67/4,165.96 = 1,692.56/x
  3. Step 3: Cross multiply
    3,018.67x = 4,165.96 × 1,692.56
  4. Step 4: Simplify right side
    3,018.67x = 7,051,137.26
  5. Step 5: Solve for x
    x = 7,051,137.26/3,018.67
  6. Step 6: Final answer
    x = 2,335.84

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1.5x scale

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.