Home / 3,801.08-5,245.44-2,122.52

Finding the Fourth Proportional to 3,801.08, 5,245.44 and 2,122.52

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Solution

The fourth proportional to 3,801.08, 5,245.44 and 2,122.52 is: 2,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.08 : 5,245.44 = 2,122.52 : x
  2. Step 2: Convert to fraction form
    3,801.08/5,245.44 = 2,122.52/x
  3. Step 3: Cross multiply
    3,801.08x = 5,245.44 × 2,122.52
  4. Step 4: Simplify right side
    3,801.08x = 11,133,552.71
  5. Step 5: Solve for x
    x = 11,133,552.71/3,801.08
  6. Step 6: Final answer
    x = 2,929.05

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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.