Home / 3,695.64-5,099.78-2,749.56

Finding the Fourth Proportional to 3,695.64, 5,099.78 and 2,749.56

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Solution

The fourth proportional to 3,695.64, 5,099.78 and 2,749.56 is: 3,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.64 : 5,099.78 = 2,749.56 : x
  2. Step 2: Convert to fraction form
    3,695.64/5,099.78 = 2,749.56/x
  3. Step 3: Cross multiply
    3,695.64x = 5,099.78 × 2,749.56
  4. Step 4: Simplify right side
    3,695.64x = 14,022,151.10
  5. Step 5: Solve for x
    x = 14,022,151.10/3,695.64
  6. Step 6: Final answer
    x = 3,794.24

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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.