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Finding the Fourth Proportional to 5,810.96, 8,019.16 and 3,158.36

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Solution

The fourth proportional to 5,810.96, 8,019.16 and 3,158.36 is: 4,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.96 : 8,019.16 = 3,158.36 : x
  2. Step 2: Convert to fraction form
    5,810.96/8,019.16 = 3,158.36/x
  3. Step 3: Cross multiply
    5,810.96x = 8,019.16 × 3,158.36
  4. Step 4: Simplify right side
    5,810.96x = 25,327,394.18
  5. Step 5: Solve for x
    x = 25,327,394.18/5,810.96
  6. Step 6: Final answer
    x = 4,358.56

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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.