Home / 3,320.34-4,968.90-2,275.44

Finding the Fourth Proportional to 3,320.34, 4,968.90 and 2,275.44

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Solution

The fourth proportional to 3,320.34, 4,968.90 and 2,275.44 is: 3,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.34 : 4,968.90 = 2,275.44 : x
  2. Step 2: Convert to fraction form
    3,320.34/4,968.90 = 2,275.44/x
  3. Step 3: Cross multiply
    3,320.34x = 4,968.90 × 2,275.44
  4. Step 4: Simplify right side
    3,320.34x = 11,306,433.82
  5. Step 5: Solve for x
    x = 11,306,433.82/3,320.34
  6. Step 6: Final answer
    x = 3,405.20

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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.