Home / 2,915.47-4,023.73-1,736.54

Finding the Fourth Proportional to 2,915.47, 4,023.73 and 1,736.54

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Solution

The fourth proportional to 2,915.47, 4,023.73 and 1,736.54 is: 2,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.47 : 4,023.73 = 1,736.54 : x
  2. Step 2: Convert to fraction form
    2,915.47/4,023.73 = 1,736.54/x
  3. Step 3: Cross multiply
    2,915.47x = 4,023.73 × 1,736.54
  4. Step 4: Simplify right side
    2,915.47x = 6,987,368.09
  5. Step 5: Solve for x
    x = 6,987,368.09/2,915.47
  6. Step 6: Final answer
    x = 2,396.65

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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.