Home / 4,000.86-5,521.32-2,232.90

Finding the Fourth Proportional to 4,000.86, 5,521.32 and 2,232.90

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Solution

The fourth proportional to 4,000.86, 5,521.32 and 2,232.90 is: 3,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.86 : 5,521.32 = 2,232.90 : x
  2. Step 2: Convert to fraction form
    4,000.86/5,521.32 = 2,232.90/x
  3. Step 3: Cross multiply
    4,000.86x = 5,521.32 × 2,232.90
  4. Step 4: Simplify right side
    4,000.86x = 12,328,555.43
  5. Step 5: Solve for x
    x = 12,328,555.43/4,000.86
  6. Step 6: Final answer
    x = 3,081.48

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Half scale
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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.