Home / 4,915.63-7,371.91-1,628.04

Finding the Fourth Proportional to 4,915.63, 7,371.91 and 1,628.04

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Solution

The fourth proportional to 4,915.63, 7,371.91 and 1,628.04 is: 2,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.63 : 7,371.91 = 1,628.04 : x
  2. Step 2: Convert to fraction form
    4,915.63/7,371.91 = 1,628.04/x
  3. Step 3: Cross multiply
    4,915.63x = 7,371.91 × 1,628.04
  4. Step 4: Simplify right side
    4,915.63x = 12,001,764.36
  5. Step 5: Solve for x
    x = 12,001,764.36/4,915.63
  6. Step 6: Final answer
    x = 2,441.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.