Home / 2,159.12-3,233.62-1,059.95

Finding the Fourth Proportional to 2,159.12, 3,233.62 and 1,059.95

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Solution

The fourth proportional to 2,159.12, 3,233.62 and 1,059.95 is: 1,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.12 : 3,233.62 = 1,059.95 : x
  2. Step 2: Convert to fraction form
    2,159.12/3,233.62 = 1,059.95/x
  3. Step 3: Cross multiply
    2,159.12x = 3,233.62 × 1,059.95
  4. Step 4: Simplify right side
    2,159.12x = 3,427,484.93
  5. Step 5: Solve for x
    x = 3,427,484.93/2,159.12
  6. Step 6: Final answer
    x = 1,587.44

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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.