Home / 5,914.13-8,161.40-3,261.78

Finding the Fourth Proportional to 5,914.13, 8,161.40 and 3,261.78

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Solution

The fourth proportional to 5,914.13, 8,161.40 and 3,261.78 is: 4,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.13 : 8,161.40 = 3,261.78 : x
  2. Step 2: Convert to fraction form
    5,914.13/8,161.40 = 3,261.78/x
  3. Step 3: Cross multiply
    5,914.13x = 8,161.40 × 3,261.78
  4. Step 4: Simplify right side
    5,914.13x = 26,620,691.29
  5. Step 5: Solve for x
    x = 26,620,691.29/5,914.13
  6. Step 6: Final answer
    x = 4,501.20

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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.