Home / 7,172.72-10,759.40-2,242.46

Finding the Fourth Proportional to 7,172.72, 10,759.40 and 2,242.46

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Solution

The fourth proportional to 7,172.72, 10,759.40 and 2,242.46 is: 3,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.72 : 10,759.40 = 2,242.46 : x
  2. Step 2: Convert to fraction form
    7,172.72/10,759.40 = 2,242.46/x
  3. Step 3: Cross multiply
    7,172.72x = 10,759.40 × 2,242.46
  4. Step 4: Simplify right side
    7,172.72x = 24,127,524.12
  5. Step 5: Solve for x
    x = 24,127,524.12/7,172.72
  6. Step 6: Final answer
    x = 3,363.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.