Home / 5,286.20-7,295.40-3,048.17

Finding the Fourth Proportional to 5,286.20, 7,295.40 and 3,048.17

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Solution

The fourth proportional to 5,286.20, 7,295.40 and 3,048.17 is: 4,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.20 : 7,295.40 = 3,048.17 : x
  2. Step 2: Convert to fraction form
    5,286.20/7,295.40 = 3,048.17/x
  3. Step 3: Cross multiply
    5,286.20x = 7,295.40 × 3,048.17
  4. Step 4: Simplify right side
    5,286.20x = 22,237,582.94
  5. Step 5: Solve for x
    x = 22,237,582.94/5,286.20
  6. Step 6: Final answer
    x = 4,206.73

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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.