Home / 2,915.12-4,022.24-1,736.58

Finding the Fourth Proportional to 2,915.12, 4,022.24 and 1,736.58

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Solution

The fourth proportional to 2,915.12, 4,022.24 and 1,736.58 is: 2,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.12 : 4,022.24 = 1,736.58 : x
  2. Step 2: Convert to fraction form
    2,915.12/4,022.24 = 1,736.58/x
  3. Step 3: Cross multiply
    2,915.12x = 4,022.24 × 1,736.58
  4. Step 4: Simplify right side
    2,915.12x = 6,984,941.54
  5. Step 5: Solve for x
    x = 6,984,941.54/2,915.12
  6. Step 6: Final answer
    x = 2,396.11

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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.