Home / 5,043.72-6,958.38-3,720.57

Finding the Fourth Proportional to 5,043.72, 6,958.38 and 3,720.57

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Solution

The fourth proportional to 5,043.72, 6,958.38 and 3,720.57 is: 5,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.72 : 6,958.38 = 3,720.57 : x
  2. Step 2: Convert to fraction form
    5,043.72/6,958.38 = 3,720.57/x
  3. Step 3: Cross multiply
    5,043.72x = 6,958.38 × 3,720.57
  4. Step 4: Simplify right side
    5,043.72x = 25,889,139.88
  5. Step 5: Solve for x
    x = 25,889,139.88/5,043.72
  6. Step 6: Final answer
    x = 5,132.95

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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.