Home / 3,441.20-4,748.94-1,869.39

Finding the Fourth Proportional to 3,441.20, 4,748.94 and 1,869.39

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Solution

The fourth proportional to 3,441.20, 4,748.94 and 1,869.39 is: 2,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.20 : 4,748.94 = 1,869.39 : x
  2. Step 2: Convert to fraction form
    3,441.20/4,748.94 = 1,869.39/x
  3. Step 3: Cross multiply
    3,441.20x = 4,748.94 × 1,869.39
  4. Step 4: Simplify right side
    3,441.20x = 8,877,620.95
  5. Step 5: Solve for x
    x = 8,877,620.95/3,441.20
  6. Step 6: Final answer
    x = 2,579.81

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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.