Home / 3,369.75-5,042.27-2,813.08

Finding the Fourth Proportional to 3,369.75, 5,042.27 and 2,813.08

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Solution

The fourth proportional to 3,369.75, 5,042.27 and 2,813.08 is: 4,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.75 : 5,042.27 = 2,813.08 : x
  2. Step 2: Convert to fraction form
    3,369.75/5,042.27 = 2,813.08/x
  3. Step 3: Cross multiply
    3,369.75x = 5,042.27 × 2,813.08
  4. Step 4: Simplify right side
    3,369.75x = 14,184,308.89
  5. Step 5: Solve for x
    x = 14,184,308.89/3,369.75
  6. Step 6: Final answer
    x = 4,209.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.