Home / 5,483.97-8,221.10-4,191.21

Finding the Fourth Proportional to 5,483.97, 8,221.10 and 4,191.21

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Solution

The fourth proportional to 5,483.97, 8,221.10 and 4,191.21 is: 6,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.97 : 8,221.10 = 4,191.21 : x
  2. Step 2: Convert to fraction form
    5,483.97/8,221.10 = 4,191.21/x
  3. Step 3: Cross multiply
    5,483.97x = 8,221.10 × 4,191.21
  4. Step 4: Simplify right side
    5,483.97x = 34,456,335.57
  5. Step 5: Solve for x
    x = 34,456,335.57/5,483.97
  6. Step 6: Final answer
    x = 6,283.10

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1.5x scale

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.