Home / 4,211.21-5,811.51-2,322.87

Finding the Fourth Proportional to 4,211.21, 5,811.51 and 2,322.87

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Solution

The fourth proportional to 4,211.21, 5,811.51 and 2,322.87 is: 3,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.21 : 5,811.51 = 2,322.87 : x
  2. Step 2: Convert to fraction form
    4,211.21/5,811.51 = 2,322.87/x
  3. Step 3: Cross multiply
    4,211.21x = 5,811.51 × 2,322.87
  4. Step 4: Simplify right side
    4,211.21x = 13,499,382.23
  5. Step 5: Solve for x
    x = 13,499,382.23/4,211.21
  6. Step 6: Final answer
    x = 3,205.58

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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.