Home / 3,915.24-5,862.27-2,867.31

Finding the Fourth Proportional to 3,915.24, 5,862.27 and 2,867.31

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Solution

The fourth proportional to 3,915.24, 5,862.27 and 2,867.31 is: 4,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.24 : 5,862.27 = 2,867.31 : x
  2. Step 2: Convert to fraction form
    3,915.24/5,862.27 = 2,867.31/x
  3. Step 3: Cross multiply
    3,915.24x = 5,862.27 × 2,867.31
  4. Step 4: Simplify right side
    3,915.24x = 16,808,939.66
  5. Step 5: Solve for x
    x = 16,808,939.66/3,915.24
  6. Step 6: Final answer
    x = 4,293.20

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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.