Home / 5,403.27-8,103.78-1,507.71

Finding the Fourth Proportional to 5,403.27, 8,103.78 and 1,507.71

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Solution

The fourth proportional to 5,403.27, 8,103.78 and 1,507.71 is: 2,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.27 : 8,103.78 = 1,507.71 : x
  2. Step 2: Convert to fraction form
    5,403.27/8,103.78 = 1,507.71/x
  3. Step 3: Cross multiply
    5,403.27x = 8,103.78 × 1,507.71
  4. Step 4: Simplify right side
    5,403.27x = 12,218,150.14
  5. Step 5: Solve for x
    x = 12,218,150.14/5,403.27
  6. Step 6: Final answer
    x = 2,261.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.