Home / 3,048.20-4,206.20-2,251.98

Finding the Fourth Proportional to 3,048.20, 4,206.20 and 2,251.98

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Solution

The fourth proportional to 3,048.20, 4,206.20 and 2,251.98 is: 3,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.20 : 4,206.20 = 2,251.98 : x
  2. Step 2: Convert to fraction form
    3,048.20/4,206.20 = 2,251.98/x
  3. Step 3: Cross multiply
    3,048.20x = 4,206.20 × 2,251.98
  4. Step 4: Simplify right side
    3,048.20x = 9,472,267.02
  5. Step 5: Solve for x
    x = 9,472,267.02/3,048.20
  6. Step 6: Final answer
    x = 3,107.50

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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.