Home / 4,000.77-5,521.20-2,232.54

Finding the Fourth Proportional to 4,000.77, 5,521.20 and 2,232.54

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Solution

The fourth proportional to 4,000.77, 5,521.20 and 2,232.54 is: 3,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.77 : 5,521.20 = 2,232.54 : x
  2. Step 2: Convert to fraction form
    4,000.77/5,521.20 = 2,232.54/x
  3. Step 3: Cross multiply
    4,000.77x = 5,521.20 × 2,232.54
  4. Step 4: Simplify right side
    4,000.77x = 12,326,299.85
  5. Step 5: Solve for x
    x = 12,326,299.85/4,000.77
  6. Step 6: Final answer
    x = 3,080.98

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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.