Home / 3,688.76-5,524.26-2,124.02

Finding the Fourth Proportional to 3,688.76, 5,524.26 and 2,124.02

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Solution

The fourth proportional to 3,688.76, 5,524.26 and 2,124.02 is: 3,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.76 : 5,524.26 = 2,124.02 : x
  2. Step 2: Convert to fraction form
    3,688.76/5,524.26 = 2,124.02/x
  3. Step 3: Cross multiply
    3,688.76x = 5,524.26 × 2,124.02
  4. Step 4: Simplify right side
    3,688.76x = 11,733,638.73
  5. Step 5: Solve for x
    x = 11,733,638.73/3,688.76
  6. Step 6: Final answer
    x = 3,180.92

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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.