Home / 7,795.16-11,698.65-5,720.42

Finding the Fourth Proportional to 7,795.16, 11,698.65 and 5,720.42

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Solution

The fourth proportional to 7,795.16, 11,698.65 and 5,720.42 is: 8,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.16 : 11,698.65 = 5,720.42 : x
  2. Step 2: Convert to fraction form
    7,795.16/11,698.65 = 5,720.42/x
  3. Step 3: Cross multiply
    7,795.16x = 11,698.65 × 5,720.42
  4. Step 4: Simplify right side
    7,795.16x = 66,921,191.43
  5. Step 5: Solve for x
    x = 66,921,191.43/7,795.16
  6. Step 6: Final answer
    x = 8,584.97

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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.