Home / 4,268.63-5,890.61-2,380.20

Finding the Fourth Proportional to 4,268.63, 5,890.61 and 2,380.20

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Solution

The fourth proportional to 4,268.63, 5,890.61 and 2,380.20 is: 3,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.63 : 5,890.61 = 2,380.20 : x
  2. Step 2: Convert to fraction form
    4,268.63/5,890.61 = 2,380.20/x
  3. Step 3: Cross multiply
    4,268.63x = 5,890.61 × 2,380.20
  4. Step 4: Simplify right side
    4,268.63x = 14,020,818.02
  5. Step 5: Solve for x
    x = 14,020,818.02/4,268.63
  6. Step 6: Final answer
    x = 3,284.62

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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.