Home / 5,611.21-8,416.18-1,451.24

Finding the Fourth Proportional to 5,611.21, 8,416.18 and 1,451.24

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Solution

The fourth proportional to 5,611.21, 8,416.18 and 1,451.24 is: 2,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.21 : 8,416.18 = 1,451.24 : x
  2. Step 2: Convert to fraction form
    5,611.21/8,416.18 = 1,451.24/x
  3. Step 3: Cross multiply
    5,611.21x = 8,416.18 × 1,451.24
  4. Step 4: Simplify right side
    5,611.21x = 12,213,897.06
  5. Step 5: Solve for x
    x = 12,213,897.06/5,611.21
  6. Step 6: Final answer
    x = 2,176.70

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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.