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Finding the Fourth Proportional to 4,160.79, 5,741.79 and 2,272.29

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Solution

The fourth proportional to 4,160.79, 5,741.79 and 2,272.29 is: 3,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.79 : 5,741.79 = 2,272.29 : x
  2. Step 2: Convert to fraction form
    4,160.79/5,741.79 = 2,272.29/x
  3. Step 3: Cross multiply
    4,160.79x = 5,741.79 × 2,272.29
  4. Step 4: Simplify right side
    4,160.79x = 13,047,012.00
  5. Step 5: Solve for x
    x = 13,047,012.00/4,160.79
  6. Step 6: Final answer
    x = 3,135.71

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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.