Home / 4,005.62-5,527.80-2,213.12

Finding the Fourth Proportional to 4,005.62, 5,527.80 and 2,213.12

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Solution

The fourth proportional to 4,005.62, 5,527.80 and 2,213.12 is: 3,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.62 : 5,527.80 = 2,213.12 : x
  2. Step 2: Convert to fraction form
    4,005.62/5,527.80 = 2,213.12/x
  3. Step 3: Cross multiply
    4,005.62x = 5,527.80 × 2,213.12
  4. Step 4: Simplify right side
    4,005.62x = 12,233,657.10
  5. Step 5: Solve for x
    x = 12,233,657.10/4,005.62
  6. Step 6: Final answer
    x = 3,054.13

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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.