Home / 3,493.89-4,821.57-1,922.04

Finding the Fourth Proportional to 3,493.89, 4,821.57 and 1,922.04

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Solution

The fourth proportional to 3,493.89, 4,821.57 and 1,922.04 is: 2,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.89 : 4,821.57 = 1,922.04 : x
  2. Step 2: Convert to fraction form
    3,493.89/4,821.57 = 1,922.04/x
  3. Step 3: Cross multiply
    3,493.89x = 4,821.57 × 1,922.04
  4. Step 4: Simplify right side
    3,493.89x = 9,267,250.40
  5. Step 5: Solve for x
    x = 9,267,250.40/3,493.89
  6. Step 6: Final answer
    x = 2,652.42

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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.