Home / 2,915.13-4,025.73-2,493.03

Finding the Fourth Proportional to 2,915.13, 4,025.73 and 2,493.03

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Solution

The fourth proportional to 2,915.13, 4,025.73 and 2,493.03 is: 3,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.13 : 4,025.73 = 2,493.03 : x
  2. Step 2: Convert to fraction form
    2,915.13/4,025.73 = 2,493.03/x
  3. Step 3: Cross multiply
    2,915.13x = 4,025.73 × 2,493.03
  4. Step 4: Simplify right side
    2,915.13x = 10,036,265.66
  5. Step 5: Solve for x
    x = 10,036,265.66/2,915.13
  6. Step 6: Final answer
    x = 3,442.82

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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.