Home / 3,296.42-4,550.65-2,119.49

Finding the Fourth Proportional to 3,296.42, 4,550.65 and 2,119.49

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Solution

The fourth proportional to 3,296.42, 4,550.65 and 2,119.49 is: 2,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.42 : 4,550.65 = 2,119.49 : x
  2. Step 2: Convert to fraction form
    3,296.42/4,550.65 = 2,119.49/x
  3. Step 3: Cross multiply
    3,296.42x = 4,550.65 × 2,119.49
  4. Step 4: Simplify right side
    3,296.42x = 9,645,029.12
  5. Step 5: Solve for x
    x = 9,645,029.12/3,296.42
  6. Step 6: Final answer
    x = 2,925.91

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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.