Home / 7,440.07-11,165.50-2,760.75

Finding the Fourth Proportional to 7,440.07, 11,165.50 and 2,760.75

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Solution

The fourth proportional to 7,440.07, 11,165.50 and 2,760.75 is: 4,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.07 : 11,165.50 = 2,760.75 : x
  2. Step 2: Convert to fraction form
    7,440.07/11,165.50 = 2,760.75/x
  3. Step 3: Cross multiply
    7,440.07x = 11,165.50 × 2,760.75
  4. Step 4: Simplify right side
    7,440.07x = 30,825,165.34
  5. Step 5: Solve for x
    x = 30,825,165.34/7,440.07
  6. Step 6: Final answer
    x = 4,143.13

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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.