Home / 7,107.48-10,648.26-5,238

Finding the Fourth Proportional to 7,107.48, 10,648.26 and 5,238

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Solution

The fourth proportional to 7,107.48, 10,648.26 and 5,238 is: 7,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.48 : 10,648.26 = 5,238 : x
  2. Step 2: Convert to fraction form
    7,107.48/10,648.26 = 5,238/x
  3. Step 3: Cross multiply
    7,107.48x = 10,648.26 × 5,238
  4. Step 4: Simplify right side
    7,107.48x = 55,775,585.88
  5. Step 5: Solve for x
    x = 55,775,585.88/7,107.48
  6. Step 6: Final answer
    x = 7,847.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.