Home / 3,157.91-4,735.27-1,842.13

Finding the Fourth Proportional to 3,157.91, 4,735.27 and 1,842.13

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Solution

The fourth proportional to 3,157.91, 4,735.27 and 1,842.13 is: 2,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.91 : 4,735.27 = 1,842.13 : x
  2. Step 2: Convert to fraction form
    3,157.91/4,735.27 = 1,842.13/x
  3. Step 3: Cross multiply
    3,157.91x = 4,735.27 × 1,842.13
  4. Step 4: Simplify right side
    3,157.91x = 8,722,982.93
  5. Step 5: Solve for x
    x = 8,722,982.93/3,157.91
  6. Step 6: Final answer
    x = 2,762.26

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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.