Home / 5,173.38-7,138.01-3,048.99

Finding the Fourth Proportional to 5,173.38, 7,138.01 and 3,048.99

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Solution

The fourth proportional to 5,173.38, 7,138.01 and 3,048.99 is: 4,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.38 : 7,138.01 = 3,048.99 : x
  2. Step 2: Convert to fraction form
    5,173.38/7,138.01 = 3,048.99/x
  3. Step 3: Cross multiply
    5,173.38x = 7,138.01 × 3,048.99
  4. Step 4: Simplify right side
    5,173.38x = 21,763,755.50
  5. Step 5: Solve for x
    x = 21,763,755.50/5,173.38
  6. Step 6: Final answer
    x = 4,206.88

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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.