Home / 5,131.41-7,728.23-4,553.61

Finding the Fourth Proportional to 5,131.41, 7,728.23 and 4,553.61

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Solution

The fourth proportional to 5,131.41, 7,728.23 and 4,553.61 is: 6,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.41 : 7,728.23 = 4,553.61 : x
  2. Step 2: Convert to fraction form
    5,131.41/7,728.23 = 4,553.61/x
  3. Step 3: Cross multiply
    5,131.41x = 7,728.23 × 4,553.61
  4. Step 4: Simplify right side
    5,131.41x = 35,191,322.64
  5. Step 5: Solve for x
    x = 35,191,322.64/5,131.41
  6. Step 6: Final answer
    x = 6,858.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.