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Finding the Fourth Proportional to 5,871.81, 8,804.92 and 3,407.39

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Solution

The fourth proportional to 5,871.81, 8,804.92 and 3,407.39 is: 5,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.81 : 8,804.92 = 3,407.39 : x
  2. Step 2: Convert to fraction form
    5,871.81/8,804.92 = 3,407.39/x
  3. Step 3: Cross multiply
    5,871.81x = 8,804.92 × 3,407.39
  4. Step 4: Simplify right side
    5,871.81x = 30,001,796.36
  5. Step 5: Solve for x
    x = 30,001,796.36/5,871.81
  6. Step 6: Final answer
    x = 5,109.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.