Home / 3,984.53-5,498.38-2,191.66

Finding the Fourth Proportional to 3,984.53, 5,498.38 and 2,191.66

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Solution

The fourth proportional to 3,984.53, 5,498.38 and 2,191.66 is: 3,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.53 : 5,498.38 = 2,191.66 : x
  2. Step 2: Convert to fraction form
    3,984.53/5,498.38 = 2,191.66/x
  3. Step 3: Cross multiply
    3,984.53x = 5,498.38 × 2,191.66
  4. Step 4: Simplify right side
    3,984.53x = 12,050,568.50
  5. Step 5: Solve for x
    x = 12,050,568.50/3,984.53
  6. Step 6: Final answer
    x = 3,024.34

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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.