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Finding the Fourth Proportional to 3,684.76, 5,086.12 and 2,193.16

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Solution

The fourth proportional to 3,684.76, 5,086.12 and 2,193.16 is: 3,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.76 : 5,086.12 = 2,193.16 : x
  2. Step 2: Convert to fraction form
    3,684.76/5,086.12 = 2,193.16/x
  3. Step 3: Cross multiply
    3,684.76x = 5,086.12 × 2,193.16
  4. Step 4: Simplify right side
    3,684.76x = 11,154,674.94
  5. Step 5: Solve for x
    x = 11,154,674.94/3,684.76
  6. Step 6: Final answer
    x = 3,027.25

Related Problems

Find fourth proportional to 1,842.38, 2,543.06 and 1,096.58
Half scale
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Double scale
Find fourth proportional to 3,685.76, 5,087.50 and 2,194.16
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.