Home / 4,192.24-5,784.64-2,399.40

Finding the Fourth Proportional to 4,192.24, 5,784.64 and 2,399.40

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Solution

The fourth proportional to 4,192.24, 5,784.64 and 2,399.40 is: 3,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.24 : 5,784.64 = 2,399.40 : x
  2. Step 2: Convert to fraction form
    4,192.24/5,784.64 = 2,399.40/x
  3. Step 3: Cross multiply
    4,192.24x = 5,784.64 × 2,399.40
  4. Step 4: Simplify right side
    4,192.24x = 13,879,665.22
  5. Step 5: Solve for x
    x = 13,879,665.22/4,192.24
  6. Step 6: Final answer
    x = 3,310.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.