Home / 5,106.35-7,046.21-2,868.47

Finding the Fourth Proportional to 5,106.35, 7,046.21 and 2,868.47

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Solution

The fourth proportional to 5,106.35, 7,046.21 and 2,868.47 is: 3,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.35 : 7,046.21 = 2,868.47 : x
  2. Step 2: Convert to fraction form
    5,106.35/7,046.21 = 2,868.47/x
  3. Step 3: Cross multiply
    5,106.35x = 7,046.21 × 2,868.47
  4. Step 4: Simplify right side
    5,106.35x = 20,211,842.00
  5. Step 5: Solve for x
    x = 20,211,842.00/5,106.35
  6. Step 6: Final answer
    x = 3,958.18

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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.