Home / 5,591.96-7,707.38-3,820.50

Finding the Fourth Proportional to 5,591.96, 7,707.38 and 3,820.50

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Solution

The fourth proportional to 5,591.96, 7,707.38 and 3,820.50 is: 5,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.96 : 7,707.38 = 3,820.50 : x
  2. Step 2: Convert to fraction form
    5,591.96/7,707.38 = 3,820.50/x
  3. Step 3: Cross multiply
    5,591.96x = 7,707.38 × 3,820.50
  4. Step 4: Simplify right side
    5,591.96x = 29,446,045.29
  5. Step 5: Solve for x
    x = 29,446,045.29/5,591.96
  6. Step 6: Final answer
    x = 5,265.78

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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.