Home / 7,741.08-11,611.49-1,897.74

Finding the Fourth Proportional to 7,741.08, 11,611.49 and 1,897.74

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Solution

The fourth proportional to 7,741.08, 11,611.49 and 1,897.74 is: 2,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.08 : 11,611.49 = 1,897.74 : x
  2. Step 2: Convert to fraction form
    7,741.08/11,611.49 = 1,897.74/x
  3. Step 3: Cross multiply
    7,741.08x = 11,611.49 × 1,897.74
  4. Step 4: Simplify right side
    7,741.08x = 22,035,579.54
  5. Step 5: Solve for x
    x = 22,035,579.54/7,741.08
  6. Step 6: Final answer
    x = 2,846.58

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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.