Home / 3,765.17-5,195.40-2,086.67

Finding the Fourth Proportional to 3,765.17, 5,195.40 and 2,086.67

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Solution

The fourth proportional to 3,765.17, 5,195.40 and 2,086.67 is: 2,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.17 : 5,195.40 = 2,086.67 : x
  2. Step 2: Convert to fraction form
    3,765.17/5,195.40 = 2,086.67/x
  3. Step 3: Cross multiply
    3,765.17x = 5,195.40 × 2,086.67
  4. Step 4: Simplify right side
    3,765.17x = 10,841,085.32
  5. Step 5: Solve for x
    x = 10,841,085.32/3,765.17
  6. Step 6: Final answer
    x = 2,879.31

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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.