Home / 3,687.24-5,083.78-2,358.76

Finding the Fourth Proportional to 3,687.24, 5,083.78 and 2,358.76

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Solution

The fourth proportional to 3,687.24, 5,083.78 and 2,358.76 is: 3,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.24 : 5,083.78 = 2,358.76 : x
  2. Step 2: Convert to fraction form
    3,687.24/5,083.78 = 2,358.76/x
  3. Step 3: Cross multiply
    3,687.24x = 5,083.78 × 2,358.76
  4. Step 4: Simplify right side
    3,687.24x = 11,991,416.91
  5. Step 5: Solve for x
    x = 11,991,416.91/3,687.24
  6. Step 6: Final answer
    x = 3,252.14

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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.