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Finding the Fourth Proportional to 5,808.75, 8,016.11 and 3,156.16

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Solution

The fourth proportional to 5,808.75, 8,016.11 and 3,156.16 is: 4,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.75 : 8,016.11 = 3,156.16 : x
  2. Step 2: Convert to fraction form
    5,808.75/8,016.11 = 3,156.16/x
  3. Step 3: Cross multiply
    5,808.75x = 8,016.11 × 3,156.16
  4. Step 4: Simplify right side
    5,808.75x = 25,300,133.63
  5. Step 5: Solve for x
    x = 25,300,133.63/5,808.75
  6. Step 6: Final answer
    x = 4,355.52

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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.