Home / 3,018.53-4,165.21-1,692.16

Finding the Fourth Proportional to 3,018.53, 4,165.21 and 1,692.16

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Solution

The fourth proportional to 3,018.53, 4,165.21 and 1,692.16 is: 2,334.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.53 : 4,165.21 = 1,692.16 : x
  2. Step 2: Convert to fraction form
    3,018.53/4,165.21 = 1,692.16/x
  3. Step 3: Cross multiply
    3,018.53x = 4,165.21 × 1,692.16
  4. Step 4: Simplify right side
    3,018.53x = 7,048,201.75
  5. Step 5: Solve for x
    x = 7,048,201.75/3,018.53
  6. Step 6: Final answer
    x = 2,334.98

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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.