Home / 6,868.34-9,478.26-3,724.52

Finding the Fourth Proportional to 6,868.34, 9,478.26 and 3,724.52

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Solution

The fourth proportional to 6,868.34, 9,478.26 and 3,724.52 is: 5,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.34 : 9,478.26 = 3,724.52 : x
  2. Step 2: Convert to fraction form
    6,868.34/9,478.26 = 3,724.52/x
  3. Step 3: Cross multiply
    6,868.34x = 9,478.26 × 3,724.52
  4. Step 4: Simplify right side
    6,868.34x = 35,301,968.94
  5. Step 5: Solve for x
    x = 35,301,968.94/6,868.34
  6. Step 6: Final answer
    x = 5,139.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.