Home / 2,765.73-3,816.30-1,586.58

Finding the Fourth Proportional to 2,765.73, 3,816.30 and 1,586.58

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Solution

The fourth proportional to 2,765.73, 3,816.30 and 1,586.58 is: 2,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.73 : 3,816.30 = 1,586.58 : x
  2. Step 2: Convert to fraction form
    2,765.73/3,816.30 = 1,586.58/x
  3. Step 3: Cross multiply
    2,765.73x = 3,816.30 × 1,586.58
  4. Step 4: Simplify right side
    2,765.73x = 6,054,865.25
  5. Step 5: Solve for x
    x = 6,054,865.25/2,765.73
  6. Step 6: Final answer
    x = 2,189.25

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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.