Home / 3,105.50-4,284.24-1,846.64

Finding the Fourth Proportional to 3,105.50, 4,284.24 and 1,846.64

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Solution

The fourth proportional to 3,105.50, 4,284.24 and 1,846.64 is: 2,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.50 : 4,284.24 = 1,846.64 : x
  2. Step 2: Convert to fraction form
    3,105.50/4,284.24 = 1,846.64/x
  3. Step 3: Cross multiply
    3,105.50x = 4,284.24 × 1,846.64
  4. Step 4: Simplify right side
    3,105.50x = 7,911,448.95
  5. Step 5: Solve for x
    x = 7,911,448.95/3,105.50
  6. Step 6: Final answer
    x = 2,547.56

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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.