Home / 7,289.07-10,933.61-2,906.57

Finding the Fourth Proportional to 7,289.07, 10,933.61 and 2,906.57

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Solution

The fourth proportional to 7,289.07, 10,933.61 and 2,906.57 is: 4,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.07 : 10,933.61 = 2,906.57 : x
  2. Step 2: Convert to fraction form
    7,289.07/10,933.61 = 2,906.57/x
  3. Step 3: Cross multiply
    7,289.07x = 10,933.61 × 2,906.57
  4. Step 4: Simplify right side
    7,289.07x = 31,779,233.62
  5. Step 5: Solve for x
    x = 31,779,233.62/7,289.07
  6. Step 6: Final answer
    x = 4,359.85

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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.