Home / 7,554.63-11,320.41-3,169.70

Finding the Fourth Proportional to 7,554.63, 11,320.41 and 3,169.70

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Solution

The fourth proportional to 7,554.63, 11,320.41 and 3,169.70 is: 4,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.63 : 11,320.41 = 3,169.70 : x
  2. Step 2: Convert to fraction form
    7,554.63/11,320.41 = 3,169.70/x
  3. Step 3: Cross multiply
    7,554.63x = 11,320.41 × 3,169.70
  4. Step 4: Simplify right side
    7,554.63x = 35,882,283.48
  5. Step 5: Solve for x
    x = 35,882,283.48/7,554.63
  6. Step 6: Final answer
    x = 4,749.71

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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.