Home / 2,849.28-3,927.60-2,351.16

Finding the Fourth Proportional to 2,849.28, 3,927.60 and 2,351.16

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Solution

The fourth proportional to 2,849.28, 3,927.60 and 2,351.16 is: 3,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.28 : 3,927.60 = 2,351.16 : x
  2. Step 2: Convert to fraction form
    2,849.28/3,927.60 = 2,351.16/x
  3. Step 3: Cross multiply
    2,849.28x = 3,927.60 × 2,351.16
  4. Step 4: Simplify right side
    2,849.28x = 9,234,416.02
  5. Step 5: Solve for x
    x = 9,234,416.02/2,849.28
  6. Step 6: Final answer
    x = 3,240.96

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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.