Home / 5,078.07-7,621.92-2,614.59

Finding the Fourth Proportional to 5,078.07, 7,621.92 and 2,614.59

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Solution

The fourth proportional to 5,078.07, 7,621.92 and 2,614.59 is: 3,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.07 : 7,621.92 = 2,614.59 : x
  2. Step 2: Convert to fraction form
    5,078.07/7,621.92 = 2,614.59/x
  3. Step 3: Cross multiply
    5,078.07x = 7,621.92 × 2,614.59
  4. Step 4: Simplify right side
    5,078.07x = 19,928,195.81
  5. Step 5: Solve for x
    x = 19,928,195.81/5,078.07
  6. Step 6: Final answer
    x = 3,924.36

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1.5x scale

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.