Home / 4,611.74-6,888.20-4,172.31

Finding the Fourth Proportional to 4,611.74, 6,888.20 and 4,172.31

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Solution

The fourth proportional to 4,611.74, 6,888.20 and 4,172.31 is: 6,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.74 : 6,888.20 = 4,172.31 : x
  2. Step 2: Convert to fraction form
    4,611.74/6,888.20 = 4,172.31/x
  3. Step 3: Cross multiply
    4,611.74x = 6,888.20 × 4,172.31
  4. Step 4: Simplify right side
    4,611.74x = 28,739,684.88
  5. Step 5: Solve for x
    x = 28,739,684.88/4,611.74
  6. Step 6: Final answer
    x = 6,231.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.