Home / 7,542.70-11,320.18-3,845.97

Finding the Fourth Proportional to 7,542.70, 11,320.18 and 3,845.97

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Solution

The fourth proportional to 7,542.70, 11,320.18 and 3,845.97 is: 5,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.70 : 11,320.18 = 3,845.97 : x
  2. Step 2: Convert to fraction form
    7,542.70/11,320.18 = 3,845.97/x
  3. Step 3: Cross multiply
    7,542.70x = 11,320.18 × 3,845.97
  4. Step 4: Simplify right side
    7,542.70x = 43,537,063.06
  5. Step 5: Solve for x
    x = 43,537,063.06/7,542.70
  6. Step 6: Final answer
    x = 5,772.08

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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.