Home / 5,631.08-7,767.20-3,391.44

Finding the Fourth Proportional to 5,631.08, 7,767.20 and 3,391.44

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Solution

The fourth proportional to 5,631.08, 7,767.20 and 3,391.44 is: 4,677.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.08 : 7,767.20 = 3,391.44 : x
  2. Step 2: Convert to fraction form
    5,631.08/7,767.20 = 3,391.44/x
  3. Step 3: Cross multiply
    5,631.08x = 7,767.20 × 3,391.44
  4. Step 4: Simplify right side
    5,631.08x = 26,341,992.77
  5. Step 5: Solve for x
    x = 26,341,992.77/5,631.08
  6. Step 6: Final answer
    x = 4,677.96

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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.