Home / 4,084.79-5,638.30-2,317.57

Finding the Fourth Proportional to 4,084.79, 5,638.30 and 2,317.57

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Solution

The fourth proportional to 4,084.79, 5,638.30 and 2,317.57 is: 3,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.79 : 5,638.30 = 2,317.57 : x
  2. Step 2: Convert to fraction form
    4,084.79/5,638.30 = 2,317.57/x
  3. Step 3: Cross multiply
    4,084.79x = 5,638.30 × 2,317.57
  4. Step 4: Simplify right side
    4,084.79x = 13,067,143.34
  5. Step 5: Solve for x
    x = 13,067,143.34/4,084.79
  6. Step 6: Final answer
    x = 3,198.98

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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.