Home / 7,742.22-11,613.27-2,548.08

Finding the Fourth Proportional to 7,742.22, 11,613.27 and 2,548.08

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Solution

The fourth proportional to 7,742.22, 11,613.27 and 2,548.08 is: 3,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.22 : 11,613.27 = 2,548.08 : x
  2. Step 2: Convert to fraction form
    7,742.22/11,613.27 = 2,548.08/x
  3. Step 3: Cross multiply
    7,742.22x = 11,613.27 × 2,548.08
  4. Step 4: Simplify right side
    7,742.22x = 29,591,541.02
  5. Step 5: Solve for x
    x = 29,591,541.02/7,742.22
  6. Step 6: Final answer
    x = 3,822.10

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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.