Home / 2,130.32-3,195.79-1,034.55

Finding the Fourth Proportional to 2,130.32, 3,195.79 and 1,034.55

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Solution

The fourth proportional to 2,130.32, 3,195.79 and 1,034.55 is: 1,551.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.32 : 3,195.79 = 1,034.55 : x
  2. Step 2: Convert to fraction form
    2,130.32/3,195.79 = 1,034.55/x
  3. Step 3: Cross multiply
    2,130.32x = 3,195.79 × 1,034.55
  4. Step 4: Simplify right side
    2,130.32x = 3,306,201.96
  5. Step 5: Solve for x
    x = 3,306,201.96/2,130.32
  6. Step 6: Final answer
    x = 1,551.97

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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.