Home / 5,824.62-8,038.08-3,172.14

Finding the Fourth Proportional to 5,824.62, 8,038.08 and 3,172.14

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Solution

The fourth proportional to 5,824.62, 8,038.08 and 3,172.14 is: 4,377.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,824.62 : 8,038.08 = 3,172.14 : x
  2. Step 2: Convert to fraction form
    5,824.62/8,038.08 = 3,172.14/x
  3. Step 3: Cross multiply
    5,824.62x = 8,038.08 × 3,172.14
  4. Step 4: Simplify right side
    5,824.62x = 25,497,915.09
  5. Step 5: Solve for x
    x = 25,497,915.09/5,824.62
  6. Step 6: Final answer
    x = 4,377.61

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1.5x scale

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.