Home / 7,407.64-11,103.45-3,702.52

Finding the Fourth Proportional to 7,407.64, 11,103.45 and 3,702.52

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Solution

The fourth proportional to 7,407.64, 11,103.45 and 3,702.52 is: 5,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.64 : 11,103.45 = 3,702.52 : x
  2. Step 2: Convert to fraction form
    7,407.64/11,103.45 = 3,702.52/x
  3. Step 3: Cross multiply
    7,407.64x = 11,103.45 × 3,702.52
  4. Step 4: Simplify right side
    7,407.64x = 41,110,745.69
  5. Step 5: Solve for x
    x = 41,110,745.69/7,407.64
  6. Step 6: Final answer
    x = 5,549.78

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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.