Home / 5,220.53-7,200.36-4,494.15

Finding the Fourth Proportional to 5,220.53, 7,200.36 and 4,494.15

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Solution

The fourth proportional to 5,220.53, 7,200.36 and 4,494.15 is: 6,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.53 : 7,200.36 = 4,494.15 : x
  2. Step 2: Convert to fraction form
    5,220.53/7,200.36 = 4,494.15/x
  3. Step 3: Cross multiply
    5,220.53x = 7,200.36 × 4,494.15
  4. Step 4: Simplify right side
    5,220.53x = 32,359,497.89
  5. Step 5: Solve for x
    x = 32,359,497.89/5,220.53
  6. Step 6: Final answer
    x = 6,198.51

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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.