Home / 5,243.41-7,235.88-2,974.75

Finding the Fourth Proportional to 5,243.41, 7,235.88 and 2,974.75

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Solution

The fourth proportional to 5,243.41, 7,235.88 and 2,974.75 is: 4,105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.41 : 7,235.88 = 2,974.75 : x
  2. Step 2: Convert to fraction form
    5,243.41/7,235.88 = 2,974.75/x
  3. Step 3: Cross multiply
    5,243.41x = 7,235.88 × 2,974.75
  4. Step 4: Simplify right side
    5,243.41x = 21,524,941.87
  5. Step 5: Solve for x
    x = 21,524,941.87/5,243.41
  6. Step 6: Final answer
    x = 4,105.14

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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.