Home / 5,654.50-8,481.85-2,146.14

Finding the Fourth Proportional to 5,654.50, 8,481.85 and 2,146.14

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Solution

The fourth proportional to 5,654.50, 8,481.85 and 2,146.14 is: 3,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.50 : 8,481.85 = 2,146.14 : x
  2. Step 2: Convert to fraction form
    5,654.50/8,481.85 = 2,146.14/x
  3. Step 3: Cross multiply
    5,654.50x = 8,481.85 × 2,146.14
  4. Step 4: Simplify right side
    5,654.50x = 18,203,232.19
  5. Step 5: Solve for x
    x = 18,203,232.19/5,654.50
  6. Step 6: Final answer
    x = 3,219.25

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Half scale
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Double scale
Find fourth proportional to 5,655.50, 8,483.35 and 2,147.14
Similar ratio
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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.