Home / 3,018.29-4,165.20-1,692.02

Finding the Fourth Proportional to 3,018.29, 4,165.20 and 1,692.02

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Solution

The fourth proportional to 3,018.29, 4,165.20 and 1,692.02 is: 2,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.29 : 4,165.20 = 1,692.02 : x
  2. Step 2: Convert to fraction form
    3,018.29/4,165.20 = 1,692.02/x
  3. Step 3: Cross multiply
    3,018.29x = 4,165.20 × 1,692.02
  4. Step 4: Simplify right side
    3,018.29x = 7,047,601.70
  5. Step 5: Solve for x
    x = 7,047,601.70/3,018.29
  6. Step 6: Final answer
    x = 2,334.97

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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.