Home / 5,424.12-8,135.64-2,301.84

Finding the Fourth Proportional to 5,424.12, 8,135.64 and 2,301.84

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Solution

The fourth proportional to 5,424.12, 8,135.64 and 2,301.84 is: 3,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.12 : 8,135.64 = 2,301.84 : x
  2. Step 2: Convert to fraction form
    5,424.12/8,135.64 = 2,301.84/x
  3. Step 3: Cross multiply
    5,424.12x = 8,135.64 × 2,301.84
  4. Step 4: Simplify right side
    5,424.12x = 18,726,941.58
  5. Step 5: Solve for x
    x = 18,726,941.58/5,424.12
  6. Step 6: Final answer
    x = 3,452.53

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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.