Home / 5,756.12-7,943.85-3,238.47

Finding the Fourth Proportional to 5,756.12, 7,943.85 and 3,238.47

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Solution

The fourth proportional to 5,756.12, 7,943.85 and 3,238.47 is: 4,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756.12 : 7,943.85 = 3,238.47 : x
  2. Step 2: Convert to fraction form
    5,756.12/7,943.85 = 3,238.47/x
  3. Step 3: Cross multiply
    5,756.12x = 7,943.85 × 3,238.47
  4. Step 4: Simplify right side
    5,756.12x = 25,725,919.91
  5. Step 5: Solve for x
    x = 25,725,919.91/5,756.12
  6. Step 6: Final answer
    x = 4,469.32

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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.