Home / 5,539.69-7,644.72-3,181.85

Finding the Fourth Proportional to 5,539.69, 7,644.72 and 3,181.85

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Solution

The fourth proportional to 5,539.69, 7,644.72 and 3,181.85 is: 4,390.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.69 : 7,644.72 = 3,181.85 : x
  2. Step 2: Convert to fraction form
    5,539.69/7,644.72 = 3,181.85/x
  3. Step 3: Cross multiply
    5,539.69x = 7,644.72 × 3,181.85
  4. Step 4: Simplify right side
    5,539.69x = 24,324,314.11
  5. Step 5: Solve for x
    x = 24,324,314.11/5,539.69
  6. Step 6: Final answer
    x = 4,390.92

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Find fourth proportional to 2,769.85, 3,822.36 and 1,590.92
Half scale
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Double scale
Find fourth proportional to 5,540.69, 7,646.10 and 3,182.85
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.