Home / 7,540.24-11,303.64-2,922.16

Finding the Fourth Proportional to 7,540.24, 11,303.64 and 2,922.16

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Solution

The fourth proportional to 7,540.24, 11,303.64 and 2,922.16 is: 4,380.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.24 : 11,303.64 = 2,922.16 : x
  2. Step 2: Convert to fraction form
    7,540.24/11,303.64 = 2,922.16/x
  3. Step 3: Cross multiply
    7,540.24x = 11,303.64 × 2,922.16
  4. Step 4: Simplify right side
    7,540.24x = 33,031,044.66
  5. Step 5: Solve for x
    x = 33,031,044.66/7,540.24
  6. Step 6: Final answer
    x = 4,380.64

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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.