Home / 5,423.27-7,481.88-3,655.44

Finding the Fourth Proportional to 5,423.27, 7,481.88 and 3,655.44

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Solution

The fourth proportional to 5,423.27, 7,481.88 and 3,655.44 is: 5,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.27 : 7,481.88 = 3,655.44 : x
  2. Step 2: Convert to fraction form
    5,423.27/7,481.88 = 3,655.44/x
  3. Step 3: Cross multiply
    5,423.27x = 7,481.88 × 3,655.44
  4. Step 4: Simplify right side
    5,423.27x = 27,349,563.43
  5. Step 5: Solve for x
    x = 27,349,563.43/5,423.27
  6. Step 6: Final answer
    x = 5,043.01

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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.