Home / 7,261.40-10,892.10-2,066.60

Finding the Fourth Proportional to 7,261.40, 10,892.10 and 2,066.60

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Solution

The fourth proportional to 7,261.40, 10,892.10 and 2,066.60 is: 3,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.40 : 10,892.10 = 2,066.60 : x
  2. Step 2: Convert to fraction form
    7,261.40/10,892.10 = 2,066.60/x
  3. Step 3: Cross multiply
    7,261.40x = 10,892.10 × 2,066.60
  4. Step 4: Simplify right side
    7,261.40x = 22,509,613.86
  5. Step 5: Solve for x
    x = 22,509,613.86/7,261.40
  6. Step 6: Final answer
    x = 3,099.90

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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.