Home / 4,949.90-7,426.21-4,405.88

Finding the Fourth Proportional to 4,949.90, 7,426.21 and 4,405.88

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Solution

The fourth proportional to 4,949.90, 7,426.21 and 4,405.88 is: 6,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.90 : 7,426.21 = 4,405.88 : x
  2. Step 2: Convert to fraction form
    4,949.90/7,426.21 = 4,405.88/x
  3. Step 3: Cross multiply
    4,949.90x = 7,426.21 × 4,405.88
  4. Step 4: Simplify right side
    4,949.90x = 32,718,990.11
  5. Step 5: Solve for x
    x = 32,718,990.11/4,949.90
  6. Step 6: Final answer
    x = 6,610.03

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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.