Home / 6,908.90-9,534.38-3,765.02

Finding the Fourth Proportional to 6,908.90, 9,534.38 and 3,765.02

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Solution

The fourth proportional to 6,908.90, 9,534.38 and 3,765.02 is: 5,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.90 : 9,534.38 = 3,765.02 : x
  2. Step 2: Convert to fraction form
    6,908.90/9,534.38 = 3,765.02/x
  3. Step 3: Cross multiply
    6,908.90x = 9,534.38 × 3,765.02
  4. Step 4: Simplify right side
    6,908.90x = 35,897,064.89
  5. Step 5: Solve for x
    x = 35,897,064.89/6,908.90
  6. Step 6: Final answer
    x = 5,195.78

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1.5x scale

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.