Home / 7,538.73-10,403.51-4,181.76

Finding the Fourth Proportional to 7,538.73, 10,403.51 and 4,181.76

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Solution

The fourth proportional to 7,538.73, 10,403.51 and 4,181.76 is: 5,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.73 : 10,403.51 = 4,181.76 : x
  2. Step 2: Convert to fraction form
    7,538.73/10,403.51 = 4,181.76/x
  3. Step 3: Cross multiply
    7,538.73x = 10,403.51 × 4,181.76
  4. Step 4: Simplify right side
    7,538.73x = 43,504,931.81
  5. Step 5: Solve for x
    x = 43,504,931.81/7,538.73
  6. Step 6: Final answer
    x = 5,770.86

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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.