Home / 2,276.22-3,420-1,454.88

Finding the Fourth Proportional to 2,276.22, 3,420 and 1,454.88

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Solution

The fourth proportional to 2,276.22, 3,420 and 1,454.88 is: 2,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.22 : 3,420 = 1,454.88 : x
  2. Step 2: Convert to fraction form
    2,276.22/3,420 = 1,454.88/x
  3. Step 3: Cross multiply
    2,276.22x = 3,420 × 1,454.88
  4. Step 4: Simplify right side
    2,276.22x = 4,975,689.60
  5. Step 5: Solve for x
    x = 4,975,689.60/2,276.22
  6. Step 6: Final answer
    x = 2,185.94

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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.