Home / 5,824.72-8,038.07-3,172.15

Finding the Fourth Proportional to 5,824.72, 8,038.07 and 3,172.15

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Solution

The fourth proportional to 5,824.72, 8,038.07 and 3,172.15 is: 4,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,824.72 : 8,038.07 = 3,172.15 : x
  2. Step 2: Convert to fraction form
    5,824.72/8,038.07 = 3,172.15/x
  3. Step 3: Cross multiply
    5,824.72x = 8,038.07 × 3,172.15
  4. Step 4: Simplify right side
    5,824.72x = 25,497,963.75
  5. Step 5: Solve for x
    x = 25,497,963.75/5,824.72
  6. Step 6: Final answer
    x = 4,377.54

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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.