Home / 7,538.81-10,403.55-4,181.66

Finding the Fourth Proportional to 7,538.81, 10,403.55 and 4,181.66

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Solution

The fourth proportional to 7,538.81, 10,403.55 and 4,181.66 is: 5,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.81 : 10,403.55 = 4,181.66 : x
  2. Step 2: Convert to fraction form
    7,538.81/10,403.55 = 4,181.66/x
  3. Step 3: Cross multiply
    7,538.81x = 10,403.55 × 4,181.66
  4. Step 4: Simplify right side
    7,538.81x = 43,504,056.88
  5. Step 5: Solve for x
    x = 43,504,056.88/7,538.81
  6. Step 6: Final answer
    x = 5,770.68

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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.