Home / 3,048.67-4,207.21-1,651.42

Finding the Fourth Proportional to 3,048.67, 4,207.21 and 1,651.42

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Solution

The fourth proportional to 3,048.67, 4,207.21 and 1,651.42 is: 2,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.67 : 4,207.21 = 1,651.42 : x
  2. Step 2: Convert to fraction form
    3,048.67/4,207.21 = 1,651.42/x
  3. Step 3: Cross multiply
    3,048.67x = 4,207.21 × 1,651.42
  4. Step 4: Simplify right side
    3,048.67x = 6,947,871.87
  5. Step 5: Solve for x
    x = 6,947,871.87/3,048.67
  6. Step 6: Final answer
    x = 2,278.98

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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.