Home / 5,620.92-7,758.54-3,631.44

Finding the Fourth Proportional to 5,620.92, 7,758.54 and 3,631.44

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Solution

The fourth proportional to 5,620.92, 7,758.54 and 3,631.44 is: 5,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.92 : 7,758.54 = 3,631.44 : x
  2. Step 2: Convert to fraction form
    5,620.92/7,758.54 = 3,631.44/x
  3. Step 3: Cross multiply
    5,620.92x = 7,758.54 × 3,631.44
  4. Step 4: Simplify right side
    5,620.92x = 28,174,672.50
  5. Step 5: Solve for x
    x = 28,174,672.50/5,620.92
  6. Step 6: Final answer
    x = 5,012.47

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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.