Home / 3,257.04-4,884.69-916.91

Finding the Fourth Proportional to 3,257.04, 4,884.69 and 916.91

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Solution

The fourth proportional to 3,257.04, 4,884.69 and 916.91 is: 1,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.04 : 4,884.69 = 916.91 : x
  2. Step 2: Convert to fraction form
    3,257.04/4,884.69 = 916.91/x
  3. Step 3: Cross multiply
    3,257.04x = 4,884.69 × 916.91
  4. Step 4: Simplify right side
    3,257.04x = 4,478,796.68
  5. Step 5: Solve for x
    x = 4,478,796.68/3,257.04
  6. Step 6: Final answer
    x = 1,375.11

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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.