Home / 3,958.52-5,445.36-3,798.68

Finding the Fourth Proportional to 3,958.52, 5,445.36 and 3,798.68

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Solution

The fourth proportional to 3,958.52, 5,445.36 and 3,798.68 is: 5,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.52 : 5,445.36 = 3,798.68 : x
  2. Step 2: Convert to fraction form
    3,958.52/5,445.36 = 3,798.68/x
  3. Step 3: Cross multiply
    3,958.52x = 5,445.36 × 3,798.68
  4. Step 4: Simplify right side
    3,958.52x = 20,685,180.12
  5. Step 5: Solve for x
    x = 20,685,180.12/3,958.52
  6. Step 6: Final answer
    x = 5,225.48

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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.