Home / 3,143.81-4,338.46-1,746.56

Finding the Fourth Proportional to 3,143.81, 4,338.46 and 1,746.56

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Solution

The fourth proportional to 3,143.81, 4,338.46 and 1,746.56 is: 2,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.81 : 4,338.46 = 1,746.56 : x
  2. Step 2: Convert to fraction form
    3,143.81/4,338.46 = 1,746.56/x
  3. Step 3: Cross multiply
    3,143.81x = 4,338.46 × 1,746.56
  4. Step 4: Simplify right side
    3,143.81x = 7,577,393.73
  5. Step 5: Solve for x
    x = 7,577,393.73/3,143.81
  6. Step 6: Final answer
    x = 2,410.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.