Home / 3,735.63-5,155.79-2,849.76

Finding the Fourth Proportional to 3,735.63, 5,155.79 and 2,849.76

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Solution

The fourth proportional to 3,735.63, 5,155.79 and 2,849.76 is: 3,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.63 : 5,155.79 = 2,849.76 : x
  2. Step 2: Convert to fraction form
    3,735.63/5,155.79 = 2,849.76/x
  3. Step 3: Cross multiply
    3,735.63x = 5,155.79 × 2,849.76
  4. Step 4: Simplify right side
    3,735.63x = 14,692,749.86
  5. Step 5: Solve for x
    x = 14,692,749.86/3,735.63
  6. Step 6: Final answer
    x = 3,933.14

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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.