Home / 5,326.48-7,989.80-2,039.76

Finding the Fourth Proportional to 5,326.48, 7,989.80 and 2,039.76

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Solution

The fourth proportional to 5,326.48, 7,989.80 and 2,039.76 is: 3,059.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.48 : 7,989.80 = 2,039.76 : x
  2. Step 2: Convert to fraction form
    5,326.48/7,989.80 = 2,039.76/x
  3. Step 3: Cross multiply
    5,326.48x = 7,989.80 × 2,039.76
  4. Step 4: Simplify right side
    5,326.48x = 16,297,274.45
  5. Step 5: Solve for x
    x = 16,297,274.45/5,326.48
  6. Step 6: Final answer
    x = 3,059.67

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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.