Home / 4,121.87-5,688.25-2,233.49

Finding the Fourth Proportional to 4,121.87, 5,688.25 and 2,233.49

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Solution

The fourth proportional to 4,121.87, 5,688.25 and 2,233.49 is: 3,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.87 : 5,688.25 = 2,233.49 : x
  2. Step 2: Convert to fraction form
    4,121.87/5,688.25 = 2,233.49/x
  3. Step 3: Cross multiply
    4,121.87x = 5,688.25 × 2,233.49
  4. Step 4: Simplify right side
    4,121.87x = 12,704,615.47
  5. Step 5: Solve for x
    x = 12,704,615.47/4,121.87
  6. Step 6: Final answer
    x = 3,082.25

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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.