Home / 2,915.10-4,023.20-1,736.14

Finding the Fourth Proportional to 2,915.10, 4,023.20 and 1,736.14

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Solution

The fourth proportional to 2,915.10, 4,023.20 and 1,736.14 is: 2,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.10 : 4,023.20 = 1,736.14 : x
  2. Step 2: Convert to fraction form
    2,915.10/4,023.20 = 1,736.14/x
  3. Step 3: Cross multiply
    2,915.10x = 4,023.20 × 1,736.14
  4. Step 4: Simplify right side
    2,915.10x = 6,984,838.45
  5. Step 5: Solve for x
    x = 6,984,838.45/2,915.10
  6. Step 6: Final answer
    x = 2,396.09

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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.