Home / 4,268.51-5,890.56-2,380.20

Finding the Fourth Proportional to 4,268.51, 5,890.56 and 2,380.20

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Solution

The fourth proportional to 4,268.51, 5,890.56 and 2,380.20 is: 3,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.51 : 5,890.56 = 2,380.20 : x
  2. Step 2: Convert to fraction form
    4,268.51/5,890.56 = 2,380.20/x
  3. Step 3: Cross multiply
    4,268.51x = 5,890.56 × 2,380.20
  4. Step 4: Simplify right side
    4,268.51x = 14,020,699.01
  5. Step 5: Solve for x
    x = 14,020,699.01/4,268.51
  6. Step 6: Final answer
    x = 3,284.69

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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.