Home / 3,167.64-4,371.08-1,823.18

Finding the Fourth Proportional to 3,167.64, 4,371.08 and 1,823.18

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Solution

The fourth proportional to 3,167.64, 4,371.08 and 1,823.18 is: 2,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.64 : 4,371.08 = 1,823.18 : x
  2. Step 2: Convert to fraction form
    3,167.64/4,371.08 = 1,823.18/x
  3. Step 3: Cross multiply
    3,167.64x = 4,371.08 × 1,823.18
  4. Step 4: Simplify right side
    3,167.64x = 7,969,265.63
  5. Step 5: Solve for x
    x = 7,969,265.63/3,167.64
  6. Step 6: Final answer
    x = 2,515.84

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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.