Home / 2,479.08-3,716.56-1,933.68

Finding the Fourth Proportional to 2,479.08, 3,716.56 and 1,933.68

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Solution

The fourth proportional to 2,479.08, 3,716.56 and 1,933.68 is: 2,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.08 : 3,716.56 = 1,933.68 : x
  2. Step 2: Convert to fraction form
    2,479.08/3,716.56 = 1,933.68/x
  3. Step 3: Cross multiply
    2,479.08x = 3,716.56 × 1,933.68
  4. Step 4: Simplify right side
    2,479.08x = 7,186,637.74
  5. Step 5: Solve for x
    x = 7,186,637.74/2,479.08
  6. Step 6: Final answer
    x = 2,898.91

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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.