Home / 3,450.83-4,761.99-1,878.93

Finding the Fourth Proportional to 3,450.83, 4,761.99 and 1,878.93

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Solution

The fourth proportional to 3,450.83, 4,761.99 and 1,878.93 is: 2,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.83 : 4,761.99 = 1,878.93 : x
  2. Step 2: Convert to fraction form
    3,450.83/4,761.99 = 1,878.93/x
  3. Step 3: Cross multiply
    3,450.83x = 4,761.99 × 1,878.93
  4. Step 4: Simplify right side
    3,450.83x = 8,947,445.87
  5. Step 5: Solve for x
    x = 8,947,445.87/3,450.83
  6. Step 6: Final answer
    x = 2,592.84

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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.