Home / 7,951.36-11,925.40-2,755.48

Finding the Fourth Proportional to 7,951.36, 11,925.40 and 2,755.48

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Solution

The fourth proportional to 7,951.36, 11,925.40 and 2,755.48 is: 4,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.36 : 11,925.40 = 2,755.48 : x
  2. Step 2: Convert to fraction form
    7,951.36/11,925.40 = 2,755.48/x
  3. Step 3: Cross multiply
    7,951.36x = 11,925.40 × 2,755.48
  4. Step 4: Simplify right side
    7,951.36x = 32,860,201.19
  5. Step 5: Solve for x
    x = 32,860,201.19/7,951.36
  6. Step 6: Final answer
    x = 4,132.65

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1.5x scale

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.