Home / 5,617.03-8,422.61-1,667.75

Finding the Fourth Proportional to 5,617.03, 8,422.61 and 1,667.75

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Solution

The fourth proportional to 5,617.03, 8,422.61 and 1,667.75 is: 2,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.03 : 8,422.61 = 1,667.75 : x
  2. Step 2: Convert to fraction form
    5,617.03/8,422.61 = 1,667.75/x
  3. Step 3: Cross multiply
    5,617.03x = 8,422.61 × 1,667.75
  4. Step 4: Simplify right side
    5,617.03x = 14,046,821.29
  5. Step 5: Solve for x
    x = 14,046,821.29/5,617.03
  6. Step 6: Final answer
    x = 2,500.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.