Home / 7,627.33-11,438.55-3,929.07

Finding the Fourth Proportional to 7,627.33, 11,438.55 and 3,929.07

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Solution

The fourth proportional to 7,627.33, 11,438.55 and 3,929.07 is: 5,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.33 : 11,438.55 = 3,929.07 : x
  2. Step 2: Convert to fraction form
    7,627.33/11,438.55 = 3,929.07/x
  3. Step 3: Cross multiply
    7,627.33x = 11,438.55 × 3,929.07
  4. Step 4: Simplify right side
    7,627.33x = 44,942,863.65
  5. Step 5: Solve for x
    x = 44,942,863.65/7,627.33
  6. Step 6: Final answer
    x = 5,892.35

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1.5x scale

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.