Home / 7,751.32-11,625.89-2,555.44

Finding the Fourth Proportional to 7,751.32, 11,625.89 and 2,555.44

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Solution

The fourth proportional to 7,751.32, 11,625.89 and 2,555.44 is: 3,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.32 : 11,625.89 = 2,555.44 : x
  2. Step 2: Convert to fraction form
    7,751.32/11,625.89 = 2,555.44/x
  3. Step 3: Cross multiply
    7,751.32x = 11,625.89 × 2,555.44
  4. Step 4: Simplify right side
    7,751.32x = 29,709,222.50
  5. Step 5: Solve for x
    x = 29,709,222.50/7,751.32
  6. Step 6: Final answer
    x = 3,832.80

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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.