Home / 7,103.38-10,655.10-2,173

Finding the Fourth Proportional to 7,103.38, 10,655.10 and 2,173

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Solution

The fourth proportional to 7,103.38, 10,655.10 and 2,173 is: 3,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.38 : 10,655.10 = 2,173 : x
  2. Step 2: Convert to fraction form
    7,103.38/10,655.10 = 2,173/x
  3. Step 3: Cross multiply
    7,103.38x = 10,655.10 × 2,173
  4. Step 4: Simplify right side
    7,103.38x = 23,153,526.87
  5. Step 5: Solve for x
    x = 23,153,526.87/7,103.38
  6. Step 6: Final answer
    x = 3,259.51

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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.