Home / 2,992.55-4,119.73-2,245.25

Finding the Fourth Proportional to 2,992.55, 4,119.73 and 2,245.25

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Solution

The fourth proportional to 2,992.55, 4,119.73 and 2,245.25 is: 3,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.55 : 4,119.73 = 2,245.25 : x
  2. Step 2: Convert to fraction form
    2,992.55/4,119.73 = 2,245.25/x
  3. Step 3: Cross multiply
    2,992.55x = 4,119.73 × 2,245.25
  4. Step 4: Simplify right side
    2,992.55x = 9,249,828.47
  5. Step 5: Solve for x
    x = 9,249,828.47/2,992.55
  6. Step 6: Final answer
    x = 3,090.96

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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.