Home / 1,629.52-2,442.91-1,108.06

Finding the Fourth Proportional to 1,629.52, 2,442.91 and 1,108.06

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Solution

The fourth proportional to 1,629.52, 2,442.91 and 1,108.06 is: 1,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.52 : 2,442.91 = 1,108.06 : x
  2. Step 2: Convert to fraction form
    1,629.52/2,442.91 = 1,108.06/x
  3. Step 3: Cross multiply
    1,629.52x = 2,442.91 × 1,108.06
  4. Step 4: Simplify right side
    1,629.52x = 2,706,888.08
  5. Step 5: Solve for x
    x = 2,706,888.08/1,629.52
  6. Step 6: Final answer
    x = 1,661.16

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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.