Home / 3,731.68-5,597.32-1,423

Finding the Fourth Proportional to 3,731.68, 5,597.32 and 1,423

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Solution

The fourth proportional to 3,731.68, 5,597.32 and 1,423 is: 2,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.68 : 5,597.32 = 1,423 : x
  2. Step 2: Convert to fraction form
    3,731.68/5,597.32 = 1,423/x
  3. Step 3: Cross multiply
    3,731.68x = 5,597.32 × 1,423
  4. Step 4: Simplify right side
    3,731.68x = 7,964,986.36
  5. Step 5: Solve for x
    x = 7,964,986.36/3,731.68
  6. Step 6: Final answer
    x = 2,134.42

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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.