Home / 4,192.79-5,786.19-2,400.59

Finding the Fourth Proportional to 4,192.79, 5,786.19 and 2,400.59

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Solution

The fourth proportional to 4,192.79, 5,786.19 and 2,400.59 is: 3,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.79 : 5,786.19 = 2,400.59 : x
  2. Step 2: Convert to fraction form
    4,192.79/5,786.19 = 2,400.59/x
  3. Step 3: Cross multiply
    4,192.79x = 5,786.19 × 2,400.59
  4. Step 4: Simplify right side
    4,192.79x = 13,890,240.92
  5. Step 5: Solve for x
    x = 13,890,240.92/4,192.79
  6. Step 6: Final answer
    x = 3,312.89

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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.