Home / 6,718.38-10,077.99-2,101.38

Finding the Fourth Proportional to 6,718.38, 10,077.99 and 2,101.38

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Solution

The fourth proportional to 6,718.38, 10,077.99 and 2,101.38 is: 3,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.38 : 10,077.99 = 2,101.38 : x
  2. Step 2: Convert to fraction form
    6,718.38/10,077.99 = 2,101.38/x
  3. Step 3: Cross multiply
    6,718.38x = 10,077.99 × 2,101.38
  4. Step 4: Simplify right side
    6,718.38x = 21,177,686.63
  5. Step 5: Solve for x
    x = 21,177,686.63/6,718.38
  6. Step 6: Final answer
    x = 3,152.20

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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.