Home / 5,109.96-7,657.08-2,474.64

Finding the Fourth Proportional to 5,109.96, 7,657.08 and 2,474.64

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Solution

The fourth proportional to 5,109.96, 7,657.08 and 2,474.64 is: 3,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.96 : 7,657.08 = 2,474.64 : x
  2. Step 2: Convert to fraction form
    5,109.96/7,657.08 = 2,474.64/x
  3. Step 3: Cross multiply
    5,109.96x = 7,657.08 × 2,474.64
  4. Step 4: Simplify right side
    5,109.96x = 18,948,516.45
  5. Step 5: Solve for x
    x = 18,948,516.45/5,109.96
  6. Step 6: Final answer
    x = 3,708.15

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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.