Home / 6,765.16-10,148.75-2,084.78

Finding the Fourth Proportional to 6,765.16, 10,148.75 and 2,084.78

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Solution

The fourth proportional to 6,765.16, 10,148.75 and 2,084.78 is: 3,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.16 : 10,148.75 = 2,084.78 : x
  2. Step 2: Convert to fraction form
    6,765.16/10,148.75 = 2,084.78/x
  3. Step 3: Cross multiply
    6,765.16x = 10,148.75 × 2,084.78
  4. Step 4: Simplify right side
    6,765.16x = 21,157,911.03
  5. Step 5: Solve for x
    x = 21,157,911.03/6,765.16
  6. Step 6: Final answer
    x = 3,127.48

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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.