Home / 2,115.32-3,167.48-1,459.22

Finding the Fourth Proportional to 2,115.32, 3,167.48 and 1,459.22

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Solution

The fourth proportional to 2,115.32, 3,167.48 and 1,459.22 is: 2,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115.32 : 3,167.48 = 1,459.22 : x
  2. Step 2: Convert to fraction form
    2,115.32/3,167.48 = 1,459.22/x
  3. Step 3: Cross multiply
    2,115.32x = 3,167.48 × 1,459.22
  4. Step 4: Simplify right side
    2,115.32x = 4,622,037.98
  5. Step 5: Solve for x
    x = 4,622,037.98/2,115.32
  6. Step 6: Final answer
    x = 2,185.04

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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.