Home / 3,048.82-4,207.49-1,722.45

Finding the Fourth Proportional to 3,048.82, 4,207.49 and 1,722.45

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Solution

The fourth proportional to 3,048.82, 4,207.49 and 1,722.45 is: 2,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.82 : 4,207.49 = 1,722.45 : x
  2. Step 2: Convert to fraction form
    3,048.82/4,207.49 = 1,722.45/x
  3. Step 3: Cross multiply
    3,048.82x = 4,207.49 × 1,722.45
  4. Step 4: Simplify right side
    3,048.82x = 7,247,191.15
  5. Step 5: Solve for x
    x = 7,247,191.15/3,048.82
  6. Step 6: Final answer
    x = 2,377.05

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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.