Home / 6,722.16-10,078.56-2,823.36

Finding the Fourth Proportional to 6,722.16, 10,078.56 and 2,823.36

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Solution

The fourth proportional to 6,722.16, 10,078.56 and 2,823.36 is: 4,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.16 : 10,078.56 = 2,823.36 : x
  2. Step 2: Convert to fraction form
    6,722.16/10,078.56 = 2,823.36/x
  3. Step 3: Cross multiply
    6,722.16x = 10,078.56 × 2,823.36
  4. Step 4: Simplify right side
    6,722.16x = 28,455,403.16
  5. Step 5: Solve for x
    x = 28,455,403.16/6,722.16
  6. Step 6: Final answer
    x = 4,233.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.