Home / 4,065.12-5,609.88-2,202.12

Finding the Fourth Proportional to 4,065.12, 5,609.88 and 2,202.12

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Solution

The fourth proportional to 4,065.12, 5,609.88 and 2,202.12 is: 3,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.12 : 5,609.88 = 2,202.12 : x
  2. Step 2: Convert to fraction form
    4,065.12/5,609.88 = 2,202.12/x
  3. Step 3: Cross multiply
    4,065.12x = 5,609.88 × 2,202.12
  4. Step 4: Simplify right side
    4,065.12x = 12,353,628.95
  5. Step 5: Solve for x
    x = 12,353,628.95/4,065.12
  6. Step 6: Final answer
    x = 3,038.93

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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.