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Finding the Fourth Proportional to 5,871.54, 8,089.11 and 4,100.34

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Solution

The fourth proportional to 5,871.54, 8,089.11 and 4,100.34 is: 5,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.54 : 8,089.11 = 4,100.34 : x
  2. Step 2: Convert to fraction form
    5,871.54/8,089.11 = 4,100.34/x
  3. Step 3: Cross multiply
    5,871.54x = 8,089.11 × 4,100.34
  4. Step 4: Simplify right side
    5,871.54x = 33,168,101.30
  5. Step 5: Solve for x
    x = 33,168,101.30/5,871.54
  6. Step 6: Final answer
    x = 5,648.96

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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.