Home / 5,842.13-8,757.98-2,143.49

Finding the Fourth Proportional to 5,842.13, 8,757.98 and 2,143.49

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Solution

The fourth proportional to 5,842.13, 8,757.98 and 2,143.49 is: 3,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.13 : 8,757.98 = 2,143.49 : x
  2. Step 2: Convert to fraction form
    5,842.13/8,757.98 = 2,143.49/x
  3. Step 3: Cross multiply
    5,842.13x = 8,757.98 × 2,143.49
  4. Step 4: Simplify right side
    5,842.13x = 18,772,588.04
  5. Step 5: Solve for x
    x = 18,772,588.04/5,842.13
  6. Step 6: Final answer
    x = 3,213.32

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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.