Home / 2,270.44-3,132-1,515.52

Finding the Fourth Proportional to 2,270.44, 3,132 and 1,515.52

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Solution

The fourth proportional to 2,270.44, 3,132 and 1,515.52 is: 2,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.44 : 3,132 = 1,515.52 : x
  2. Step 2: Convert to fraction form
    2,270.44/3,132 = 1,515.52/x
  3. Step 3: Cross multiply
    2,270.44x = 3,132 × 1,515.52
  4. Step 4: Simplify right side
    2,270.44x = 4,746,608.64
  5. Step 5: Solve for x
    x = 4,746,608.64/2,270.44
  6. Step 6: Final answer
    x = 2,090.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.