Home / 5,441.07-8,160.53-2,666.55

Finding the Fourth Proportional to 5,441.07, 8,160.53 and 2,666.55

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Solution

The fourth proportional to 5,441.07, 8,160.53 and 2,666.55 is: 3,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.07 : 8,160.53 = 2,666.55 : x
  2. Step 2: Convert to fraction form
    5,441.07/8,160.53 = 2,666.55/x
  3. Step 3: Cross multiply
    5,441.07x = 8,160.53 × 2,666.55
  4. Step 4: Simplify right side
    5,441.07x = 21,760,447.94
  5. Step 5: Solve for x
    x = 21,760,447.94/5,441.07
  6. Step 6: Final answer
    x = 3,999.30

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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.