Home / 6,173.55-8,520.12-3,521.88

Finding the Fourth Proportional to 6,173.55, 8,520.12 and 3,521.88

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Solution

The fourth proportional to 6,173.55, 8,520.12 and 3,521.88 is: 4,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.55 : 8,520.12 = 3,521.88 : x
  2. Step 2: Convert to fraction form
    6,173.55/8,520.12 = 3,521.88/x
  3. Step 3: Cross multiply
    6,173.55x = 8,520.12 × 3,521.88
  4. Step 4: Simplify right side
    6,173.55x = 30,006,840.23
  5. Step 5: Solve for x
    x = 30,006,840.23/6,173.55
  6. Step 6: Final answer
    x = 4,860.55

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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.