Home / 3,494.47-4,822.38-1,922.68

Finding the Fourth Proportional to 3,494.47, 4,822.38 and 1,922.68

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Solution

The fourth proportional to 3,494.47, 4,822.38 and 1,922.68 is: 2,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.47 : 4,822.38 = 1,922.68 : x
  2. Step 2: Convert to fraction form
    3,494.47/4,822.38 = 1,922.68/x
  3. Step 3: Cross multiply
    3,494.47x = 4,822.38 × 1,922.68
  4. Step 4: Simplify right side
    3,494.47x = 9,271,893.58
  5. Step 5: Solve for x
    x = 9,271,893.58/3,494.47
  6. Step 6: Final answer
    x = 2,653.30

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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.