Home / 3,817.04-5,720.44-3,141.20

Finding the Fourth Proportional to 3,817.04, 5,720.44 and 3,141.20

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Solution

The fourth proportional to 3,817.04, 5,720.44 and 3,141.20 is: 4,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.04 : 5,720.44 = 3,141.20 : x
  2. Step 2: Convert to fraction form
    3,817.04/5,720.44 = 3,141.20/x
  3. Step 3: Cross multiply
    3,817.04x = 5,720.44 × 3,141.20
  4. Step 4: Simplify right side
    3,817.04x = 17,969,046.13
  5. Step 5: Solve for x
    x = 17,969,046.13/3,817.04
  6. Step 6: Final answer
    x = 4,707.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.