Home / 3,048.89-4,207.34-1,722.42

Finding the Fourth Proportional to 3,048.89, 4,207.34 and 1,722.42

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Solution

The fourth proportional to 3,048.89, 4,207.34 and 1,722.42 is: 2,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.89 : 4,207.34 = 1,722.42 : x
  2. Step 2: Convert to fraction form
    3,048.89/4,207.34 = 1,722.42/x
  3. Step 3: Cross multiply
    3,048.89x = 4,207.34 × 1,722.42
  4. Step 4: Simplify right side
    3,048.89x = 7,246,797.95
  5. Step 5: Solve for x
    x = 7,246,797.95/3,048.89
  6. Step 6: Final answer
    x = 2,376.87

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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.