Home / 3,200.29-4,415.48-2,082.87

Finding the Fourth Proportional to 3,200.29, 4,415.48 and 2,082.87

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Solution

The fourth proportional to 3,200.29, 4,415.48 and 2,082.87 is: 2,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.29 : 4,415.48 = 2,082.87 : x
  2. Step 2: Convert to fraction form
    3,200.29/4,415.48 = 2,082.87/x
  3. Step 3: Cross multiply
    3,200.29x = 4,415.48 × 2,082.87
  4. Step 4: Simplify right side
    3,200.29x = 9,196,860.41
  5. Step 5: Solve for x
    x = 9,196,860.41/3,200.29
  6. Step 6: Final answer
    x = 2,873.76

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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.