Home / 7,400.77-11,105.25-3,017.91

Finding the Fourth Proportional to 7,400.77, 11,105.25 and 3,017.91

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Solution

The fourth proportional to 7,400.77, 11,105.25 and 3,017.91 is: 4,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.77 : 11,105.25 = 3,017.91 : x
  2. Step 2: Convert to fraction form
    7,400.77/11,105.25 = 3,017.91/x
  3. Step 3: Cross multiply
    7,400.77x = 11,105.25 × 3,017.91
  4. Step 4: Simplify right side
    7,400.77x = 33,514,629.86
  5. Step 5: Solve for x
    x = 33,514,629.86/7,400.77
  6. Step 6: Final answer
    x = 4,528.53

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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.