Home / 7,490.97-10,338.03-4,133.79

Finding the Fourth Proportional to 7,490.97, 10,338.03 and 4,133.79

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Solution

The fourth proportional to 7,490.97, 10,338.03 and 4,133.79 is: 5,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.97 : 10,338.03 = 4,133.79 : x
  2. Step 2: Convert to fraction form
    7,490.97/10,338.03 = 4,133.79/x
  3. Step 3: Cross multiply
    7,490.97x = 10,338.03 × 4,133.79
  4. Step 4: Simplify right side
    7,490.97x = 42,735,245.03
  5. Step 5: Solve for x
    x = 42,735,245.03/7,490.97
  6. Step 6: Final answer
    x = 5,704.90

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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.