Home / 3,450.19-4,761.26-1,878.29

Finding the Fourth Proportional to 3,450.19, 4,761.26 and 1,878.29

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Solution

The fourth proportional to 3,450.19, 4,761.26 and 1,878.29 is: 2,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.19 : 4,761.26 = 1,878.29 : x
  2. Step 2: Convert to fraction form
    3,450.19/4,761.26 = 1,878.29/x
  3. Step 3: Cross multiply
    3,450.19x = 4,761.26 × 1,878.29
  4. Step 4: Simplify right side
    3,450.19x = 8,943,027.05
  5. Step 5: Solve for x
    x = 8,943,027.05/3,450.19
  6. Step 6: Final answer
    x = 2,592.04

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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.