Home / 5,707.56-8,562.70-1,811.96

Finding the Fourth Proportional to 5,707.56, 8,562.70 and 1,811.96

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Solution

The fourth proportional to 5,707.56, 8,562.70 and 1,811.96 is: 2,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.56 : 8,562.70 = 1,811.96 : x
  2. Step 2: Convert to fraction form
    5,707.56/8,562.70 = 1,811.96/x
  3. Step 3: Cross multiply
    5,707.56x = 8,562.70 × 1,811.96
  4. Step 4: Simplify right side
    5,707.56x = 15,515,269.89
  5. Step 5: Solve for x
    x = 15,515,269.89/5,707.56
  6. Step 6: Final answer
    x = 2,718.37

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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.