Home / 5,739.38-7,917.13-3,614.12

Finding the Fourth Proportional to 5,739.38, 7,917.13 and 3,614.12

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Solution

The fourth proportional to 5,739.38, 7,917.13 and 3,614.12 is: 4,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.38 : 7,917.13 = 3,614.12 : x
  2. Step 2: Convert to fraction form
    5,739.38/7,917.13 = 3,614.12/x
  3. Step 3: Cross multiply
    5,739.38x = 7,917.13 × 3,614.12
  4. Step 4: Simplify right side
    5,739.38x = 28,613,457.88
  5. Step 5: Solve for x
    x = 28,613,457.88/5,739.38
  6. Step 6: Final answer
    x = 4,985.46

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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.