Home / 5,106.28-7,046.46-2,868.34

Finding the Fourth Proportional to 5,106.28, 7,046.46 and 2,868.34

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Solution

The fourth proportional to 5,106.28, 7,046.46 and 2,868.34 is: 3,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.28 : 7,046.46 = 2,868.34 : x
  2. Step 2: Convert to fraction form
    5,106.28/7,046.46 = 2,868.34/x
  3. Step 3: Cross multiply
    5,106.28x = 7,046.46 × 2,868.34
  4. Step 4: Simplify right side
    5,106.28x = 20,211,643.08
  5. Step 5: Solve for x
    x = 20,211,643.08/5,106.28
  6. Step 6: Final answer
    x = 3,958.19

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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.