Home / 3,370.45-4,651.32-1,878.49

Finding the Fourth Proportional to 3,370.45, 4,651.32 and 1,878.49

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Solution

The fourth proportional to 3,370.45, 4,651.32 and 1,878.49 is: 2,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.45 : 4,651.32 = 1,878.49 : x
  2. Step 2: Convert to fraction form
    3,370.45/4,651.32 = 1,878.49/x
  3. Step 3: Cross multiply
    3,370.45x = 4,651.32 × 1,878.49
  4. Step 4: Simplify right side
    3,370.45x = 8,737,458.11
  5. Step 5: Solve for x
    x = 8,737,458.11/3,370.45
  6. Step 6: Final answer
    x = 2,592.37

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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.