Home / 4,095.12-6,138.48-1,629.24

Finding the Fourth Proportional to 4,095.12, 6,138.48 and 1,629.24

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Solution

The fourth proportional to 4,095.12, 6,138.48 and 1,629.24 is: 2,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.12 : 6,138.48 = 1,629.24 : x
  2. Step 2: Convert to fraction form
    4,095.12/6,138.48 = 1,629.24/x
  3. Step 3: Cross multiply
    4,095.12x = 6,138.48 × 1,629.24
  4. Step 4: Simplify right side
    4,095.12x = 10,001,057.16
  5. Step 5: Solve for x
    x = 10,001,057.16/4,095.12
  6. Step 6: Final answer
    x = 2,442.19

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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.