Home / 7,849.16-11,770.70-2,917.69

Finding the Fourth Proportional to 7,849.16, 11,770.70 and 2,917.69

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Solution

The fourth proportional to 7,849.16, 11,770.70 and 2,917.69 is: 4,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.16 : 11,770.70 = 2,917.69 : x
  2. Step 2: Convert to fraction form
    7,849.16/11,770.70 = 2,917.69/x
  3. Step 3: Cross multiply
    7,849.16x = 11,770.70 × 2,917.69
  4. Step 4: Simplify right side
    7,849.16x = 34,343,180.24
  5. Step 5: Solve for x
    x = 34,343,180.24/7,849.16
  6. Step 6: Final answer
    x = 4,375.40

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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.