Home / 2,158.56-3,235-1,182.52

Finding the Fourth Proportional to 2,158.56, 3,235 and 1,182.52

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Solution

The fourth proportional to 2,158.56, 3,235 and 1,182.52 is: 1,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.56 : 3,235 = 1,182.52 : x
  2. Step 2: Convert to fraction form
    2,158.56/3,235 = 1,182.52/x
  3. Step 3: Cross multiply
    2,158.56x = 3,235 × 1,182.52
  4. Step 4: Simplify right side
    2,158.56x = 3,825,452.20
  5. Step 5: Solve for x
    x = 3,825,452.20/2,158.56
  6. Step 6: Final answer
    x = 1,772.22

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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.