Home / 4,005.80-5,527.68-2,237

Finding the Fourth Proportional to 4,005.80, 5,527.68 and 2,237

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Solution

The fourth proportional to 4,005.80, 5,527.68 and 2,237 is: 3,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.80 : 5,527.68 = 2,237 : x
  2. Step 2: Convert to fraction form
    4,005.80/5,527.68 = 2,237/x
  3. Step 3: Cross multiply
    4,005.80x = 5,527.68 × 2,237
  4. Step 4: Simplify right side
    4,005.80x = 12,365,420.16
  5. Step 5: Solve for x
    x = 12,365,420.16/4,005.80
  6. Step 6: Final answer
    x = 3,086.88

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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.