Home / 5,647.30-7,794.57-3,758.96

Finding the Fourth Proportional to 5,647.30, 7,794.57 and 3,758.96

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Solution

The fourth proportional to 5,647.30, 7,794.57 and 3,758.96 is: 5,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.30 : 7,794.57 = 3,758.96 : x
  2. Step 2: Convert to fraction form
    5,647.30/7,794.57 = 3,758.96/x
  3. Step 3: Cross multiply
    5,647.30x = 7,794.57 × 3,758.96
  4. Step 4: Simplify right side
    5,647.30x = 29,299,437.87
  5. Step 5: Solve for x
    x = 29,299,437.87/5,647.30
  6. Step 6: Final answer
    x = 5,188.23

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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.