Home / 7,575.50-11,363.28-2,103.50

Finding the Fourth Proportional to 7,575.50, 11,363.28 and 2,103.50

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Solution

The fourth proportional to 7,575.50, 11,363.28 and 2,103.50 is: 3,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.50 : 11,363.28 = 2,103.50 : x
  2. Step 2: Convert to fraction form
    7,575.50/11,363.28 = 2,103.50/x
  3. Step 3: Cross multiply
    7,575.50x = 11,363.28 × 2,103.50
  4. Step 4: Simplify right side
    7,575.50x = 23,902,659.48
  5. Step 5: Solve for x
    x = 23,902,659.48/7,575.50
  6. Step 6: Final answer
    x = 3,155.26

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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.