Home / 4,948.53-7,422.80-1,872.69

Finding the Fourth Proportional to 4,948.53, 7,422.80 and 1,872.69

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Solution

The fourth proportional to 4,948.53, 7,422.80 and 1,872.69 is: 2,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.53 : 7,422.80 = 1,872.69 : x
  2. Step 2: Convert to fraction form
    4,948.53/7,422.80 = 1,872.69/x
  3. Step 3: Cross multiply
    4,948.53x = 7,422.80 × 1,872.69
  4. Step 4: Simplify right side
    4,948.53x = 13,900,593.97
  5. Step 5: Solve for x
    x = 13,900,593.97/4,948.53
  6. Step 6: Final answer
    x = 2,809.04

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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.