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Finding the Fourth Proportional to 4,255.41, 5,868.53 and 2,661.54

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Solution

The fourth proportional to 4,255.41, 5,868.53 and 2,661.54 is: 3,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.41 : 5,868.53 = 2,661.54 : x
  2. Step 2: Convert to fraction form
    4,255.41/5,868.53 = 2,661.54/x
  3. Step 3: Cross multiply
    4,255.41x = 5,868.53 × 2,661.54
  4. Step 4: Simplify right side
    4,255.41x = 15,619,327.34
  5. Step 5: Solve for x
    x = 15,619,327.34/4,255.41
  6. Step 6: Final answer
    x = 3,670.46

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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.