Home / 5,516.94-7,611.84-3,158.94

Finding the Fourth Proportional to 5,516.94, 7,611.84 and 3,158.94

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Solution

The fourth proportional to 5,516.94, 7,611.84 and 3,158.94 is: 4,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.94 : 7,611.84 = 3,158.94 : x
  2. Step 2: Convert to fraction form
    5,516.94/7,611.84 = 3,158.94/x
  3. Step 3: Cross multiply
    5,516.94x = 7,611.84 × 3,158.94
  4. Step 4: Simplify right side
    5,516.94x = 24,045,345.85
  5. Step 5: Solve for x
    x = 24,045,345.85/5,516.94
  6. Step 6: Final answer
    x = 4,358.46

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Half scale
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Double scale
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Similar ratio
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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.