Home / 2,765.22-3,816.38-1,586.06

Finding the Fourth Proportional to 2,765.22, 3,816.38 and 1,586.06

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Solution

The fourth proportional to 2,765.22, 3,816.38 and 1,586.06 is: 2,188.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.22 : 3,816.38 = 1,586.06 : x
  2. Step 2: Convert to fraction form
    2,765.22/3,816.38 = 1,586.06/x
  3. Step 3: Cross multiply
    2,765.22x = 3,816.38 × 1,586.06
  4. Step 4: Simplify right side
    2,765.22x = 6,053,007.66
  5. Step 5: Solve for x
    x = 6,053,007.66/2,765.22
  6. Step 6: Final answer
    x = 2,188.98

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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.