Home / 5,193.40-7,790.10-4,166.20

Finding the Fourth Proportional to 5,193.40, 7,790.10 and 4,166.20

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Solution

The fourth proportional to 5,193.40, 7,790.10 and 4,166.20 is: 6,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.40 : 7,790.10 = 4,166.20 : x
  2. Step 2: Convert to fraction form
    5,193.40/7,790.10 = 4,166.20/x
  3. Step 3: Cross multiply
    5,193.40x = 7,790.10 × 4,166.20
  4. Step 4: Simplify right side
    5,193.40x = 32,455,114.62
  5. Step 5: Solve for x
    x = 32,455,114.62/5,193.40
  6. Step 6: Final answer
    x = 6,249.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.