Home / 5,782.08-8,673.09-1,399.56

Finding the Fourth Proportional to 5,782.08, 8,673.09 and 1,399.56

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Solution

The fourth proportional to 5,782.08, 8,673.09 and 1,399.56 is: 2,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.08 : 8,673.09 = 1,399.56 : x
  2. Step 2: Convert to fraction form
    5,782.08/8,673.09 = 1,399.56/x
  3. Step 3: Cross multiply
    5,782.08x = 8,673.09 × 1,399.56
  4. Step 4: Simplify right side
    5,782.08x = 12,138,509.84
  5. Step 5: Solve for x
    x = 12,138,509.84/5,782.08
  6. Step 6: Final answer
    x = 2,099.33

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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.