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Finding the Fourth Proportional to 5,971.64, 8,240.82 and 3,453.72

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Solution

The fourth proportional to 5,971.64, 8,240.82 and 3,453.72 is: 4,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.64 : 8,240.82 = 3,453.72 : x
  2. Step 2: Convert to fraction form
    5,971.64/8,240.82 = 3,453.72/x
  3. Step 3: Cross multiply
    5,971.64x = 8,240.82 × 3,453.72
  4. Step 4: Simplify right side
    5,971.64x = 28,461,484.85
  5. Step 5: Solve for x
    x = 28,461,484.85/5,971.64
  6. Step 6: Final answer
    x = 4,766.11

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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.