Home / 3,049.03-4,207.71-1,722.79

Finding the Fourth Proportional to 3,049.03, 4,207.71 and 1,722.79

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Solution

The fourth proportional to 3,049.03, 4,207.71 and 1,722.79 is: 2,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.03 : 4,207.71 = 1,722.79 : x
  2. Step 2: Convert to fraction form
    3,049.03/4,207.71 = 1,722.79/x
  3. Step 3: Cross multiply
    3,049.03x = 4,207.71 × 1,722.79
  4. Step 4: Simplify right side
    3,049.03x = 7,249,000.71
  5. Step 5: Solve for x
    x = 7,249,000.71/3,049.03
  6. Step 6: Final answer
    x = 2,377.48

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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.