Home / 3,774.07-5,208.47-2,282.05

Finding the Fourth Proportional to 3,774.07, 5,208.47 and 2,282.05

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Solution

The fourth proportional to 3,774.07, 5,208.47 and 2,282.05 is: 3,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.07 : 5,208.47 = 2,282.05 : x
  2. Step 2: Convert to fraction form
    3,774.07/5,208.47 = 2,282.05/x
  3. Step 3: Cross multiply
    3,774.07x = 5,208.47 × 2,282.05
  4. Step 4: Simplify right side
    3,774.07x = 11,885,992.62
  5. Step 5: Solve for x
    x = 11,885,992.62/3,774.07
  6. Step 6: Final answer
    x = 3,149.38

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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.