Home / 5,553.09-7,660.98-3,314.48

Finding the Fourth Proportional to 5,553.09, 7,660.98 and 3,314.48

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Solution

The fourth proportional to 5,553.09, 7,660.98 and 3,314.48 is: 4,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.09 : 7,660.98 = 3,314.48 : x
  2. Step 2: Convert to fraction form
    5,553.09/7,660.98 = 3,314.48/x
  3. Step 3: Cross multiply
    5,553.09x = 7,660.98 × 3,314.48
  4. Step 4: Simplify right side
    5,553.09x = 25,392,126.69
  5. Step 5: Solve for x
    x = 25,392,126.69/5,553.09
  6. Step 6: Final answer
    x = 4,572.61

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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.