Home / 7,159.68-10,740-2,479.44

Finding the Fourth Proportional to 7,159.68, 10,740 and 2,479.44

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Solution

The fourth proportional to 7,159.68, 10,740 and 2,479.44 is: 3,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.68 : 10,740 = 2,479.44 : x
  2. Step 2: Convert to fraction form
    7,159.68/10,740 = 2,479.44/x
  3. Step 3: Cross multiply
    7,159.68x = 10,740 × 2,479.44
  4. Step 4: Simplify right side
    7,159.68x = 26,629,185.60
  5. Step 5: Solve for x
    x = 26,629,185.60/7,159.68
  6. Step 6: Final answer
    x = 3,719.33

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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.