Home / 7,243.77-9,996.44-4,100.57

Finding the Fourth Proportional to 7,243.77, 9,996.44 and 4,100.57

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Solution

The fourth proportional to 7,243.77, 9,996.44 and 4,100.57 is: 5,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.77 : 9,996.44 = 4,100.57 : x
  2. Step 2: Convert to fraction form
    7,243.77/9,996.44 = 4,100.57/x
  3. Step 3: Cross multiply
    7,243.77x = 9,996.44 × 4,100.57
  4. Step 4: Simplify right side
    7,243.77x = 40,991,031.49
  5. Step 5: Solve for x
    x = 40,991,031.49/7,243.77
  6. Step 6: Final answer
    x = 5,658.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.