Home / 4,268.55-6,402.24-1,148.70

Finding the Fourth Proportional to 4,268.55, 6,402.24 and 1,148.70

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Solution

The fourth proportional to 4,268.55, 6,402.24 and 1,148.70 is: 1,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.55 : 6,402.24 = 1,148.70 : x
  2. Step 2: Convert to fraction form
    4,268.55/6,402.24 = 1,148.70/x
  3. Step 3: Cross multiply
    4,268.55x = 6,402.24 × 1,148.70
  4. Step 4: Simplify right side
    4,268.55x = 7,354,253.09
  5. Step 5: Solve for x
    x = 7,354,253.09/4,268.55
  6. Step 6: Final answer
    x = 1,722.89

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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.