Home / 5,079.12-7,004.52-3,310.08

Finding the Fourth Proportional to 5,079.12, 7,004.52 and 3,310.08

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Solution

The fourth proportional to 5,079.12, 7,004.52 and 3,310.08 is: 4,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.12 : 7,004.52 = 3,310.08 : x
  2. Step 2: Convert to fraction form
    5,079.12/7,004.52 = 3,310.08/x
  3. Step 3: Cross multiply
    5,079.12x = 7,004.52 × 3,310.08
  4. Step 4: Simplify right side
    5,079.12x = 23,185,521.56
  5. Step 5: Solve for x
    x = 23,185,521.56/5,079.12
  6. Step 6: Final answer
    x = 4,564.87

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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.