Home / 3,132.45-4,692.73-1,672.29

Finding the Fourth Proportional to 3,132.45, 4,692.73 and 1,672.29

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Solution

The fourth proportional to 3,132.45, 4,692.73 and 1,672.29 is: 2,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.45 : 4,692.73 = 1,672.29 : x
  2. Step 2: Convert to fraction form
    3,132.45/4,692.73 = 1,672.29/x
  3. Step 3: Cross multiply
    3,132.45x = 4,692.73 × 1,672.29
  4. Step 4: Simplify right side
    3,132.45x = 7,847,605.45
  5. Step 5: Solve for x
    x = 7,847,605.45/3,132.45
  6. Step 6: Final answer
    x = 2,505.26

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1.5x scale

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.