Home / 2,735.70-3,765.74-2,385.78

Finding the Fourth Proportional to 2,735.70, 3,765.74 and 2,385.78

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Solution

The fourth proportional to 2,735.70, 3,765.74 and 2,385.78 is: 3,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.70 : 3,765.74 = 2,385.78 : x
  2. Step 2: Convert to fraction form
    2,735.70/3,765.74 = 2,385.78/x
  3. Step 3: Cross multiply
    2,735.70x = 3,765.74 × 2,385.78
  4. Step 4: Simplify right side
    2,735.70x = 8,984,227.18
  5. Step 5: Solve for x
    x = 8,984,227.18/2,735.70
  6. Step 6: Final answer
    x = 3,284.07

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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.