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Finding the Fourth Proportional to 5,957.44, 8,215.88 and 3,719.52

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Solution

The fourth proportional to 5,957.44, 8,215.88 and 3,719.52 is: 5,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,957.44 : 8,215.88 = 3,719.52 : x
  2. Step 2: Convert to fraction form
    5,957.44/8,215.88 = 3,719.52/x
  3. Step 3: Cross multiply
    5,957.44x = 8,215.88 × 3,719.52
  4. Step 4: Simplify right side
    5,957.44x = 30,559,129.98
  5. Step 5: Solve for x
    x = 30,559,129.98/5,957.44
  6. Step 6: Final answer
    x = 5,129.57

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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.