Home / 2,915.70-4,023.49-1,736.55

Finding the Fourth Proportional to 2,915.70, 4,023.49 and 1,736.55

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Solution

The fourth proportional to 2,915.70, 4,023.49 and 1,736.55 is: 2,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.70 : 4,023.49 = 1,736.55 : x
  2. Step 2: Convert to fraction form
    2,915.70/4,023.49 = 1,736.55/x
  3. Step 3: Cross multiply
    2,915.70x = 4,023.49 × 1,736.55
  4. Step 4: Simplify right side
    2,915.70x = 6,986,962.76
  5. Step 5: Solve for x
    x = 6,986,962.76/2,915.70
  6. Step 6: Final answer
    x = 2,396.32

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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.