Home / 3,151.48-4,346.58-2,736.76

Finding the Fourth Proportional to 3,151.48, 4,346.58 and 2,736.76

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Solution

The fourth proportional to 3,151.48, 4,346.58 and 2,736.76 is: 3,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.48 : 4,346.58 = 2,736.76 : x
  2. Step 2: Convert to fraction form
    3,151.48/4,346.58 = 2,736.76/x
  3. Step 3: Cross multiply
    3,151.48x = 4,346.58 × 2,736.76
  4. Step 4: Simplify right side
    3,151.48x = 11,895,546.28
  5. Step 5: Solve for x
    x = 11,895,546.28/3,151.48
  6. Step 6: Final answer
    x = 3,774.59

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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.