Home / 2,382.18-3,286.10-1,437.41

Finding the Fourth Proportional to 2,382.18, 3,286.10 and 1,437.41

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Solution

The fourth proportional to 2,382.18, 3,286.10 and 1,437.41 is: 1,982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.18 : 3,286.10 = 1,437.41 : x
  2. Step 2: Convert to fraction form
    2,382.18/3,286.10 = 1,437.41/x
  3. Step 3: Cross multiply
    2,382.18x = 3,286.10 × 1,437.41
  4. Step 4: Simplify right side
    2,382.18x = 4,723,484.81
  5. Step 5: Solve for x
    x = 4,723,484.81/2,382.18
  6. Step 6: Final answer
    x = 1,982.84

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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.