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Finding the Fourth Proportional to 5,743.31, 7,925.40 and 3,225.41

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Solution

The fourth proportional to 5,743.31, 7,925.40 and 3,225.41 is: 4,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.31 : 7,925.40 = 3,225.41 : x
  2. Step 2: Convert to fraction form
    5,743.31/7,925.40 = 3,225.41/x
  3. Step 3: Cross multiply
    5,743.31x = 7,925.40 × 3,225.41
  4. Step 4: Simplify right side
    5,743.31x = 25,562,624.79
  5. Step 5: Solve for x
    x = 25,562,624.79/5,743.31
  6. Step 6: Final answer
    x = 4,450.86

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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.