Home / 2,915.49-4,023.39-1,589.17

Finding the Fourth Proportional to 2,915.49, 4,023.39 and 1,589.17

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Solution

The fourth proportional to 2,915.49, 4,023.39 and 1,589.17 is: 2,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.49 : 4,023.39 = 1,589.17 : x
  2. Step 2: Convert to fraction form
    2,915.49/4,023.39 = 1,589.17/x
  3. Step 3: Cross multiply
    2,915.49x = 4,023.39 × 1,589.17
  4. Step 4: Simplify right side
    2,915.49x = 6,393,850.69
  5. Step 5: Solve for x
    x = 6,393,850.69/2,915.49
  6. Step 6: Final answer
    x = 2,193.06

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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.