Home / 6,763.47-10,142.01-3,953.11

Finding the Fourth Proportional to 6,763.47, 10,142.01 and 3,953.11

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Solution

The fourth proportional to 6,763.47, 10,142.01 and 3,953.11 is: 5,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.47 : 10,142.01 = 3,953.11 : x
  2. Step 2: Convert to fraction form
    6,763.47/10,142.01 = 3,953.11/x
  3. Step 3: Cross multiply
    6,763.47x = 10,142.01 × 3,953.11
  4. Step 4: Simplify right side
    6,763.47x = 40,092,481.15
  5. Step 5: Solve for x
    x = 40,092,481.15/6,763.47
  6. Step 6: Final answer
    x = 5,927.80

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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.