Home / 5,752.22-8,629.92-2,291.90

Finding the Fourth Proportional to 5,752.22, 8,629.92 and 2,291.90

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Solution

The fourth proportional to 5,752.22, 8,629.92 and 2,291.90 is: 3,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.22 : 8,629.92 = 2,291.90 : x
  2. Step 2: Convert to fraction form
    5,752.22/8,629.92 = 2,291.90/x
  3. Step 3: Cross multiply
    5,752.22x = 8,629.92 × 2,291.90
  4. Step 4: Simplify right side
    5,752.22x = 19,778,913.65
  5. Step 5: Solve for x
    x = 19,778,913.65/5,752.22
  6. Step 6: Final answer
    x = 3,438.48

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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.