Home / 5,912.29-8,159.38-3,675.68

Finding the Fourth Proportional to 5,912.29, 8,159.38 and 3,675.68

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Solution

The fourth proportional to 5,912.29, 8,159.38 and 3,675.68 is: 5,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.29 : 8,159.38 = 3,675.68 : x
  2. Step 2: Convert to fraction form
    5,912.29/8,159.38 = 3,675.68/x
  3. Step 3: Cross multiply
    5,912.29x = 8,159.38 × 3,675.68
  4. Step 4: Simplify right side
    5,912.29x = 29,991,271.17
  5. Step 5: Solve for x
    x = 29,991,271.17/5,912.29
  6. Step 6: Final answer
    x = 5,072.70

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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.