Home / 5,974.24-8,246.68-5,131.56

Finding the Fourth Proportional to 5,974.24, 8,246.68 and 5,131.56

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Solution

The fourth proportional to 5,974.24, 8,246.68 and 5,131.56 is: 7,083.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974.24 : 8,246.68 = 5,131.56 : x
  2. Step 2: Convert to fraction form
    5,974.24/8,246.68 = 5,131.56/x
  3. Step 3: Cross multiply
    5,974.24x = 8,246.68 × 5,131.56
  4. Step 4: Simplify right side
    5,974.24x = 42,318,333.22
  5. Step 5: Solve for x
    x = 42,318,333.22/5,974.24
  6. Step 6: Final answer
    x = 7,083.47

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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.