Home / 4,192.63-5,786.84-2,515.12

Finding the Fourth Proportional to 4,192.63, 5,786.84 and 2,515.12

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Solution

The fourth proportional to 4,192.63, 5,786.84 and 2,515.12 is: 3,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.63 : 5,786.84 = 2,515.12 : x
  2. Step 2: Convert to fraction form
    4,192.63/5,786.84 = 2,515.12/x
  3. Step 3: Cross multiply
    4,192.63x = 5,786.84 × 2,515.12
  4. Step 4: Simplify right side
    4,192.63x = 14,554,588.84
  5. Step 5: Solve for x
    x = 14,554,588.84/4,192.63
  6. Step 6: Final answer
    x = 3,471.47

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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.