Home / 5,641.29-8,450.96-3,687.57

Finding the Fourth Proportional to 5,641.29, 8,450.96 and 3,687.57

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Solution

The fourth proportional to 5,641.29, 8,450.96 and 3,687.57 is: 5,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.29 : 8,450.96 = 3,687.57 : x
  2. Step 2: Convert to fraction form
    5,641.29/8,450.96 = 3,687.57/x
  3. Step 3: Cross multiply
    5,641.29x = 8,450.96 × 3,687.57
  4. Step 4: Simplify right side
    5,641.29x = 31,163,488.13
  5. Step 5: Solve for x
    x = 31,163,488.13/5,641.29
  6. Step 6: Final answer
    x = 5,524.18

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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.