Home / 7,742.93-11,614.57-1,899.59

Finding the Fourth Proportional to 7,742.93, 11,614.57 and 1,899.59

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Solution

The fourth proportional to 7,742.93, 11,614.57 and 1,899.59 is: 2,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.93 : 11,614.57 = 1,899.59 : x
  2. Step 2: Convert to fraction form
    7,742.93/11,614.57 = 1,899.59/x
  3. Step 3: Cross multiply
    7,742.93x = 11,614.57 × 1,899.59
  4. Step 4: Simplify right side
    7,742.93x = 22,062,858.20
  5. Step 5: Solve for x
    x = 22,062,858.20/7,742.93
  6. Step 6: Final answer
    x = 2,849.42

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Similar ratio
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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.