Home / 5,885.98-8,121.18-4,311.34

Finding the Fourth Proportional to 5,885.98, 8,121.18 and 4,311.34

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Solution

The fourth proportional to 5,885.98, 8,121.18 and 4,311.34 is: 5,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.98 : 8,121.18 = 4,311.34 : x
  2. Step 2: Convert to fraction form
    5,885.98/8,121.18 = 4,311.34/x
  3. Step 3: Cross multiply
    5,885.98x = 8,121.18 × 4,311.34
  4. Step 4: Simplify right side
    5,885.98x = 35,013,168.18
  5. Step 5: Solve for x
    x = 35,013,168.18/5,885.98
  6. Step 6: Final answer
    x = 5,948.57

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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.