Home / 5,911.18-8,157.46-3,258.54

Finding the Fourth Proportional to 5,911.18, 8,157.46 and 3,258.54

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Solution

The fourth proportional to 5,911.18, 8,157.46 and 3,258.54 is: 4,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.18 : 8,157.46 = 3,258.54 : x
  2. Step 2: Convert to fraction form
    5,911.18/8,157.46 = 3,258.54/x
  3. Step 3: Cross multiply
    5,911.18x = 8,157.46 × 3,258.54
  4. Step 4: Simplify right side
    5,911.18x = 26,581,409.71
  5. Step 5: Solve for x
    x = 26,581,409.71/5,911.18
  6. Step 6: Final answer
    x = 4,496.80

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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.