Home / 2,507.22-3,762.45-1,276.02

Finding the Fourth Proportional to 2,507.22, 3,762.45 and 1,276.02

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Solution

The fourth proportional to 2,507.22, 3,762.45 and 1,276.02 is: 1,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.22 : 3,762.45 = 1,276.02 : x
  2. Step 2: Convert to fraction form
    2,507.22/3,762.45 = 1,276.02/x
  3. Step 3: Cross multiply
    2,507.22x = 3,762.45 × 1,276.02
  4. Step 4: Simplify right side
    2,507.22x = 4,800,961.45
  5. Step 5: Solve for x
    x = 4,800,961.45/2,507.22
  6. Step 6: Final answer
    x = 1,914.85

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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.