Home / 4,108.30-5,667.40-2,428.88

Finding the Fourth Proportional to 4,108.30, 5,667.40 and 2,428.88

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Solution

The fourth proportional to 4,108.30, 5,667.40 and 2,428.88 is: 3,350.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.30 : 5,667.40 = 2,428.88 : x
  2. Step 2: Convert to fraction form
    4,108.30/5,667.40 = 2,428.88/x
  3. Step 3: Cross multiply
    4,108.30x = 5,667.40 × 2,428.88
  4. Step 4: Simplify right side
    4,108.30x = 13,765,434.51
  5. Step 5: Solve for x
    x = 13,765,434.51/4,108.30
  6. Step 6: Final answer
    x = 3,350.64

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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.