Home / 5,516.06-7,611.98-3,157.74

Finding the Fourth Proportional to 5,516.06, 7,611.98 and 3,157.74

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Solution

The fourth proportional to 5,516.06, 7,611.98 and 3,157.74 is: 4,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.06 : 7,611.98 = 3,157.74 : x
  2. Step 2: Convert to fraction form
    5,516.06/7,611.98 = 3,157.74/x
  3. Step 3: Cross multiply
    5,516.06x = 7,611.98 × 3,157.74
  4. Step 4: Simplify right side
    5,516.06x = 24,036,637.94
  5. Step 5: Solve for x
    x = 24,036,637.94/5,516.06
  6. Step 6: Final answer
    x = 4,357.58

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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.