Home / 3,018.70-4,165.71-1,692.46

Finding the Fourth Proportional to 3,018.70, 4,165.71 and 1,692.46

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Solution

The fourth proportional to 3,018.70, 4,165.71 and 1,692.46 is: 2,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.70 : 4,165.71 = 1,692.46 : x
  2. Step 2: Convert to fraction form
    3,018.70/4,165.71 = 1,692.46/x
  3. Step 3: Cross multiply
    3,018.70x = 4,165.71 × 1,692.46
  4. Step 4: Simplify right side
    3,018.70x = 7,050,276.72
  5. Step 5: Solve for x
    x = 7,050,276.72/3,018.70
  6. Step 6: Final answer
    x = 2,335.54

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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.