Home / 4,170.68-5,760.26-2,842.08

Finding the Fourth Proportional to 4,170.68, 5,760.26 and 2,842.08

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Solution

The fourth proportional to 4,170.68, 5,760.26 and 2,842.08 is: 3,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.68 : 5,760.26 = 2,842.08 : x
  2. Step 2: Convert to fraction form
    4,170.68/5,760.26 = 2,842.08/x
  3. Step 3: Cross multiply
    4,170.68x = 5,760.26 × 2,842.08
  4. Step 4: Simplify right side
    4,170.68x = 16,371,112.45
  5. Step 5: Solve for x
    x = 16,371,112.45/4,170.68
  6. Step 6: Final answer
    x = 3,925.29

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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.