Home / 4,400.84-6,604-3,990.72

Finding the Fourth Proportional to 4,400.84, 6,604 and 3,990.72

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Solution

The fourth proportional to 4,400.84, 6,604 and 3,990.72 is: 5,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.84 : 6,604 = 3,990.72 : x
  2. Step 2: Convert to fraction form
    4,400.84/6,604 = 3,990.72/x
  3. Step 3: Cross multiply
    4,400.84x = 6,604 × 3,990.72
  4. Step 4: Simplify right side
    4,400.84x = 26,354,714.88
  5. Step 5: Solve for x
    x = 26,354,714.88/4,400.84
  6. Step 6: Final answer
    x = 5,988.56

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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.